{"product_id":"mattressprotector_allseasons","title":"BRAIN SLEEP MATTRESS PROTECTOR PERFECT WARM EX","description":"\u003cstyle\u003e\n.gradient.typesquare_option.chakra-ui-light,\n.gradient.header-wrapper {\n  padding: 0 !important;\n}\n\n\/* .lp_area  *\/\n.mattressProtector{margin: 0 auto 100px;}.u-sp {display: none !important;}.u-mt-8 {margin-top: 8px !important;}.u-mt-40 {margin-top: 40px !important;}.remodal,[data-remodal-id] {display: none;}.remodal {position: relative;outline: 0;-webkit-text-size-adjust: 100%;-moz-text-size-adjust: 100%;-ms-text-size-adjust: 100%;text-size-adjust: 100%;-webkit-box-sizing: border-box;box-sizing: border-box;width: 100%;margin-bottom: 10px;padding: 35px;-webkit-transform: translate3d(0, 0, 0);transform: translate3d(0, 0, 0);color: #2b2e38;background: #fff;vertical-align: middle;}.remodal-close {position: absolute;top: 0;left: 0;display: block;overflow: visible;width: 35px;height: 35px;margin: 0;padding: 0;text-decoration: none;color: #95979c;border: 0;outline: 0;background: transparent;}.remodal-close:before {font-family: Arial, \"Helvetica CY\", \"Nimbus Sans L\", sans-serif !important;font-size: 25px;line-height: 35px;position: absolute;top: 0;left: 0;display: block;width: 35px;content: \"\\00d7\";text-align: center;}.remodal-close::-moz-focus-inner {padding: 0;border: 0;}@media only screen and (min-width: 641px) {.remodal {max-width: 700px;}}html,body,div,span,iframe,h3,p,img,ul,li,label,header,nav,section,video {margin: 0;padding: 0;border: 0;outline: 0;vertical-align: baseline;background: transparent;}* {box-sizing: border-box;line-height: 1.5;}body {width: 100%;background: #fff;font-family: \"游ゴシック体\", YuGothic, \"Yu Gothic M\", \"游ゴシック Medium\",\"Yu Gothic Medium\", \"Hiragino Kaku Gothic ProN\", \"ヒラギノ角ゴ ProN W3\",sans-serif !important;overflow-x: hidden;padding-bottom: 76px;}main {display: block;}li {list-style-type: none;}a {display: inline-block;text-decoration: none;color: #000;}video,img {vertical-align: bottom;max-width: 100%;height: auto;}input,button {appearance: none;}h3 {font-weight: normal !important;}.rwlp__wrapper {overflow-x: hidden;width: 100vw;}.rwlp__wrapper img {width: 100%;}.technology__link__lists__img img {width: 100%;}.technology__item {font-weight: 500;padding-top: 70px;}.technology__item__sub {padding: 0;border-top: none;}.technology__item__sub .technology__item__desc {margin-top: 100px;}.technology__item__inner {padding-left: 6.7142857142857vw;}.technology__item__title {font-family: Termina, YuGothic, \"Yu Gothic\", \"Hiragino Kaku Gothic ProN\",\"ヒラギノ角ゴ ProN W3\", sans-serif;font-size: 30px;font-weight: 400;line-height: 1.1;margin-bottom: 50px;}.technology__item__title span {font-family: Termina, YuGothic, \"Yu Gothic\", \"Hiragino Kaku Gothic ProN\",\"ヒラギノ角ゴ ProN W3\", sans-serif;font-weight: 400;line-height: 1;margin-bottom: 16px;display: block;}.technology__item__desc {display: flex;flex-direction: row-reverse;margin-top: 54px;}.technology__item__desc__text {display: flex;flex-direction: column;justify-content: space-between;flex-shrink: 0;justify-content: space-between;margin-right: 8.0714285714286vw;width: 26.2857142857143vw;}.technology__item__desc__img {padding-top: 35.5%;position: relative;width: 58.1428571428571vw;flex: 1;}.technology__item__desc__img video {height: 100%;left: 0;position: absolute;top: 0;width: 100%;}.technology__item__desc__img img {height: auto;left: 0;position: absolute;top: 0;width: 100%;}.technology__item__desc__text__content__title {font-size: 30px;font-weight: 500;letter-spacing: -0.06em;line-height: 1.733333333333333;}.technology__item__desc__text__content__title.fadeInUpShort.animated.related__lead.go {width: auto;}.technology__item__desc__text__content__desc {font-size: 16px;letter-spacing: -0.06em;line-height: 1.9375;margin-top: 30px;}@media screen and (max-width: 749px) {.lp_area,.mattressProtector{width: auto;margin-bottom: 20px;}.u-sp {display: block !important;}.u-pc {display: none !important;}.technology__item {padding-bottom: 30px;}.technology__item__title {padding: 0;font-size: 30px;margin-left: 20px;margin-bottom: 30px;line-height: 1.6;}.technology__item__title span {font-size: 30px;margin-bottom: 0;line-height: 1.6;}.technology__item__desc {flex-direction: column;margin-top: 0;}.technology__item__sub .technology__item__desc {flex-direction: column;margin-top: 40px;}#tech02 .technology__item__title span {margin-bottom: 10px;}.technology__item__desc__img {margin-left: 20px;padding-top: 94%;width: calc(100% - 20px);}.technology__item__sub .technology__item__desc__img.change_sp {padding-top: 53.75%;width: 95%;}.technology__item__desc__img img {height: 100%;left: 0;position: absolute;top: 0;width: 100%;object-fit: cover;}.technology__item__desc__text {display: block;margin: 30px 0 0;padding: 0 20px;width: 100%;}.technology__item__desc__text__content__title {font-size: 25px;line-height: 1.84;}.technology__item__desc__text__content__desc {margin-top: 20px;}}.termina {font-family: Termina, YuGothic, \"Yu Gothic\", \"Hiragino Kaku Gothic ProN\",\"ヒラギノ角ゴ ProN W3\", sans-serif !important;font-weight: 400;}@media screen and (max-width: 749px) {}.u-mt-0 {margin-top: 0;}@media screen and (max-width: 1400px) {.customer__review__bg img {max-width: unset;width: 110%;}}@media screen and (max-width: 749px) {#mattressProtector03 .technology__item__desc__img {padding-top: 90.5%;}}.rwlp__header__wrapper {background: #a0c0db;height: auto;position: fixed;top: 0;left: 0;right: 0;z-index: 9;}@media screen and (min-width: 750px) {.rwlp__header__wrapper {padding: 0 30px;}}@media screen and (max-width: 749px) {.rwlp__header__wrapper {padding: 0 20px;}}.rwlp__header {display: flex;align-items: center;justify-content: space-between;}@media screen and (min-width: 1200px) {.rwlp__header {height: 90px;}}@media screen and (max-width: 1199px) {.rwlp__header {height: 65px;}}@media screen and (min-width: 750px) {.rwlp__header__logo {width: 85px;}}@media screen and (max-width: 749px) {.rwlp__header__logo {width: 70px;}}@media screen and (min-width: 750px) {.rwlp__header__menu__wrapper {margin: 0 30px;}}@media screen and (max-width: 749px) {.rwlp__header__menu__wrapper {margin: 0 20px;}}.rwlp__header__menu__item {display: inline-block;}@media screen and (min-width: 1200px) {.rwlp__header__menu__item + .rwlp__header__menu__item {margin-left: 35px;}}@media screen and (min-width: 750px) and (max-width: 1199px) {.rwlp__header__menu__item + .rwlp__header__menu__item {margin-left: 30px;}}@media screen and (max-width: 749px) {.rwlp__header__menu__item + .rwlp__header__menu__item {margin-left: 15px;}}@media screen and (max-width: 749px) {.rwlp__header__menu__item.rwlp__hidden__sm {display: none;}}@media screen and (min-width: 1200px) {.rwlp__header__menu__link {font-size: 14px;}}@media screen and (max-width: 1199px) {.rwlp__header__menu__link {font-size: 14px;}}input[type=\"radio\"] {display: none;}input[type=\"radio\"] + label::before {display: none;}input[type=\"radio\"] + label::after {display: none;}input[type=\"radio\"]:checked + label {color: inherit;}@media screen and (max-width: 749px) {}input[type=\"radio\"] + label {padding: 0;}.remodal {padding: 0;max-width: 650px;}.remodal-close {left: auto;right: 0;}.remodal-close:before {font-size: 40px;}.u-pc {display: block !important;}.u-sp {display: none !important;}@media screen and (min-width: 768px) {}@media screen and (max-width: 767px) {.u-pc {display: none !important;}.u-sp {display: block !important;}}\n\u003c\/style\u003e\n\n\n\u003cdiv class=\"lang_box\"\u003e\n  \u003cdiv class=\"protector_20241218_update\"\u003e\n    \u003cdiv class=\"protector_kv\"\u003e\n      \u003cdiv class=\"protector_kv_caption\"\u003e\n        \u003ch2 style=\"color: #FFFF; margin-bottom: 20px;\"\u003e\n\u003cspan\u003eThermal insulation at the back area increased by 112%\u003c\/span\u003e\u003cbr\u003eExceptionally warm\u003cbr\u003eProtector\u003cspan\u003e(fitted sheet)\u003c\/span\u003e\n\u003c\/h2\u003e\n        \u003cimg class=\"protector_kv_logo u-pc\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/products_comforter_protector_warm_ex_kv_logo.webp\" alt=\"\" width=\"1272\" height=\"188\"\u003e\n        \u003cimg class=\"protector_kv_logo u-sp\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/products_comforter_protector_warm_ex_kv_logo_sp.webp\" alt=\"\" width=\"352\" height=\"148\"\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"protector_kv_block\"\u003e\n        \u003cimg class=\"u-pc\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/products_mattress_protector_warm_ex_kv.webp?2\" alt=\"\" width=\"2000\" height=\"1122\"\u003e\n        \u003cimg class=\"u-sp\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/products_mattress_protector_warm_ex_kv_sp.webp?3\" alt=\"\" width=\"748\" height=\"10d4\"\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv\u003e\n      \u003cdiv class=\"makuake\"\u003e\n        \u003cp class=\"makuake__txt\"\u003eLaunched on a Japanese crowdfunding platform Makuake\u003cbr\u003eThe “perfect warm” series\u003c\/p\u003e\n        \u003cp class=\"makuake__txt2\"\u003eTotal funding exceede\u003cbr\u003e\u003cspan\u003eJPY 230 million\u003c\/span\u003e\u003c\/p\u003e\n        \u003cimg class=\"u-pc\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/products_mattress_protector_warm_ex_makuake_bnr.webp\" alt=\"\" width=\"1103\" height=\"141\"\u003e\n        \u003cdiv class=\"makuake__slider u-sp\"\u003e\n          \u003cdiv\u003e\u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/products_mattress_protector_warm_ex_makuake_bnr01.webp\" alt=\"\" width=\"360\" height=\"414\"\u003e\u003c\/div\u003e\n          \u003cdiv\u003e\u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/products_mattress_protector_warm_ex_makuake_bnr02.webp\" alt=\"\" width=\"360\" height=\"414\"\u003e\u003c\/div\u003e\n          \u003cdiv\u003e\u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/products_mattress_protector_warm_ex_makuake_bnr03.webp\" alt=\"\" width=\"360\" height=\"414\"\u003e\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"protector_connection_img\"\u003e\n        \u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/products_mattress_protector_warm_ex_connect.webp?1\" alt=\"\" width=\"2100\" height=\"830\" style=\"position: absolute;left: 0;right: 0;width: 1100px;\"\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"mattressProtector\"\u003e\n    \u003csection class=\"technology__item technology__item__sub\" id=\"mattressProtector02\"\u003e\n      \u003cdiv class=\"technology__item__inner\"\u003e\n        \u003cdiv class=\"technology__item__desc__text u-sp\"\u003e\n          \u003cdiv class=\"technology__item__desc__text__content\"\u003e\n            \u003ch3 class=\"technology__item__desc__text__content__title\"\u003eMoisture-absorbing and heat-generating\u003cbr\u003eproprietary insulation\u003cbr\u003e“KAPOK HEAT EX”\u003c\/h3\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"technology__item__desc animatedParent animateOnce\" id=\"technology\" data-sequence=\"300\" data-offset=\"300\"\u003e\n          \u003cdiv class=\"technology__item__desc__img change_sp\"\u003e\n            \u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/products_comforter_perfectwarm_dual_tech01_04_en.webp\" alt=\"\" width=\"825\" height=\"465\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv class=\"technology__item__desc__text\"\u003e\n            \u003cdiv class=\"technology__item__desc__text__content\"\u003e\n              \u003ch3 class=\"technology__item__desc__text__content__title  u-pc\"\u003eMoisture-absorbing and heat-generating\u003cbr\u003eproprietary insulation\u003cbr\u003e“KAPOK HEAT EX”\u003c\/h3\u003e\n              \u003cp class=\"technology__item__desc__text__content__desc\"\u003eA sustainably developed heat-generating technology designed to surpass traditional down insulation.\u003cbr\u003e“KAPOK HEAT EX” combines plant-based kapok fibers that absorb moisture and generate heat with highly insulating acrylic fibers and moisture-absorbing, heat-generating acrylate fibers.\u003cbr\u003eThis proprietary insulation construction converts absorbed moisture into gentle warmth while maintaining a sustainable material profile.\u003c\/p\u003e\n            \u003c\/div\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/section\u003e\n    \u003csection class=\"technology__item technology__item__sub\" id=\"mattressProtector02\"\u003e\n      \u003cdiv class=\"technology__item__inner\"\u003e\n        \u003cdiv class=\"technology__item__desc animatedParent animateOnce\" data-sequence=\"300\" data-offset=\"300\"\u003e\n          \u003cdiv class=\"technology__item__desc__img change_sp\"\u003e\n            \u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/products_mattress_protector_warm_ex_20241218_tech01_02.webp\" alt=\"\" width=\"825\" height=\"465\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv class=\"technology__item__desc__text\"\u003e\n            \u003cdiv class=\"technology__item__desc__text__content\"\u003e\n              \u003cp class=\"technology__item__desc__text__content__desc u-mt-0\"\u003eKapok is a natural fiber harvested from the fruit of kapok trees native to Southeast Asia.\u003cbr\u003eKnown for its exceptional lightness—approximately one-eighth the weight of cotton—kapok is a plant-based fiber rather than an animal-derived material.\u003cbr\u003eIn recent years, it has gained attention as a sustainable, high-performance material.\u003c\/p\u003e\n            \u003c\/div\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/section\u003e\n    \u003csection class=\"technology__item technology__item__sub\" id=\"mattressProtector02\"\u003e\n      \u003cdiv class=\"technology__item__inner\"\u003e\n        \u003cdiv class=\"technology__item__desc__text\"\u003e\n          \u003cdiv class=\"technology__item__desc__text__content\"\u003e\n            \u003ch3 class=\"technology__item__desc__text__content__title u-sp\"\u003e“KAPOK HEAT EX”\u003cbr\u003ea high-performance heat-generating material\u003cbr\u003eDelivers a temperature increase of up to +5.1°C. \u003cbr\u003eUltimate heat-generating performance.\u003c\/h3\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"technology__item__desc animatedParent animateOnce\" data-sequence=\"300\" data-offset=\"300\"\u003e\n          \u003cdiv class=\"technology__item__desc__img change_sp\" style=\"border: 1px solid #000;\"\u003e\n            \u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/products_mattress_protector_warm_ex_tech02_01_v3_en.webp\" alt=\"\" width=\"825\" height=\"465\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv class=\"technology__item__desc__text\"\u003e\n            \u003cdiv class=\"technology__item__desc__text__content\"\u003e\n              \u003ch3 class=\"technology__item__desc__text__content__title u-pc\"\u003e“KAPOK HEAT EX”\u003cbr\u003ea high-performance heat-generating material\u003cbr\u003eDelivers a temperature increase of up to +5.1°C. \u003cbr\u003eUltimate heat-generating performance.\u003c\/h3\u003e\n              \u003cp class=\"technology__item__desc__text__content__desc\"\u003e“KAPOK HEAT EX” absorbs moisture within the bedding environment and converts it into heat.\u003cbr\u003eIn testing, a temperature increase of up to 5.1°C was observed after 7 minutes of measurement.\u003c\/p\u003e\n            \u003c\/div\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/section\u003e\n    \u003csection class=\"technology__item technology__item__sub\" id=\"mattressProtector02\"\u003e\n      \u003cdiv class=\"technology__item__inner\"\u003e\n        \u003cdiv class=\"technology__item__desc__text\"\u003e\n          \u003cdiv class=\"technology__item__desc__text__content\"\u003e\n            \u003ch3 class=\"technology__item__desc__text__content__title u-sp\"\u003eThermal insulation increased by approximately 112%.\u003c\/h3\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv class=\"technology__item__desc animatedParent animateOnce\" data-sequence=\"300\" data-offset=\"300\"\u003e\n          \u003cdiv class=\"technology__item__desc__img change_sp\" style=\"border: 1px solid #000;\"\u003e\n            \u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/products_mattress_protector_warm_ex_tech02_02_v3_en.webp\" alt=\"\" width=\"825\" height=\"465\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv class=\"technology__item__desc__text\"\u003e\n            \u003cdiv class=\"technology__item__desc__text__content\"\u003e\n              \u003ch3 class=\"technology__item__desc__text__content__title u-pc\"\u003eThermal insulation increased by approximately 112%.\u003c\/h3\u003e\n              \u003cp class=\"technology__item__desc__text__content__desc\"\u003eUsing a mattress protector helps reduce cold coming from below and prevents chill from reaching the back.\u003cbr\u003eIn winter, cold air tends to accumulate near floors and ground surfaces, and this cold can be felt through the mattress.\u003cbr\u003eThe mattress protector is effective in helping shield the body from this cold.\u003c\/p\u003e\n            \u003c\/div\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/section\u003e\n    \u003csection class=\"technology__item technology__item__sub\" id=\"mattressProtector02\"\u003e\n      \u003cdiv class=\"technology__item__inner\"\u003e\n        \u003cdiv class=\"technology__item__desc animatedParent animateOnce\" data-sequence=\"300\" data-offset=\"300\"\u003e\n          \u003cdiv class=\"technology__item__desc__img change_sp\" style=\"border: 1px solid #000;\"\u003e\n            \u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/products_mattress_protector_warm_ex_tech02_03_v3_en.webp\" alt=\"\" width=\"825\" height=\"465\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv class=\"technology__item__desc__text\"\u003e\n            \u003cdiv class=\"technology__item__desc__text__content\"\u003e\n              \u003cp class=\"technology__item__desc__text__content__desc u-mt-0\"\u003eSweat absorption, reduced uneven feel, and mattress protection—all in a single layer.\u003cbr\u003eA one-piece design makes installation, removal, and washing simple.\u003c\/p\u003e\n            \u003c\/div\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/section\u003e\n    \u003c!-- スペック表 --\u003e\n    \u003csection class=\"spec__title\" id=\"spec\"\u003e\n      \u003cdiv class=\"section__title animatedParent animateOnce\" data-sequence=\"300\" data-offset=\"300\"\u003e\n        \u003ch2 class=\"section__title__text fadeInUpShort animated\"\u003e\n          \u003cspan style=\"margin-bottom: 0;\"\u003eSPEC\u003c\/span\u003e\u003c\/h2\u003e\n      \u003c\/div\u003e\n    \u003c\/section\u003e\n    \u003csection class=\"technology__item technology__item__sub\" id=\"mattressProtector04\"\u003e\n      \u003cdiv class=\"technology__item__inner\"\u003e\n        \u003cdiv class=\"technology__item__desc animatedParent animateOnce\" data-sequence=\"300\" data-offset=\"300\"\u003e\n          \u003cdiv class=\"technology__item__desc__img change_sp\"\u003e\n            \u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/products_mattress_protector_perfectwarmEX_related03.jpg\" alt=\"\" width=\"825\" height=\"464\"\u003e\n          \u003c\/div\u003e\n          \u003cdiv class=\"technology__item__desc__text\"\u003e\n            \u003cdiv class=\"technology__item__desc__text__content\"\u003e\n              \u003cp class=\"technology__item__desc__text__content__desc u-mt-0\"\u003e■ Compatible mattress height:\u003cbr\u003eIn general, mattresses with a height of approximately 20–30 cm are compatible.\u003cbr\u003eMattresses with a lower height can also be used; however, excess fabric may remain on the underside.\u003cbr\u003ePlease ensure the fabric is securely tucked in when in use.\u003cbr\u003e\u003cbr\u003e■ Sizes\u003cbr\u003e•Single: approx. W100 × L205 cm (approx. 1,140 g)\u003cbr\u003e•Semi-double: approx. W120 × L205 cm (approx. 1,300 g)\u003cbr\u003e•Double: approx. W140 × L205 cm (approx. 1,470 g)\u003cbr\u003e\u003cbr\u003e■Color:\u003cbr\u003eStone gray\u003cbr\u003e\u003cbr\u003e■ Materials:\u003cbr\u003e・Side fabric\u003cbr\u003eFront fabric: pile polyester 100%\u003cbr\u003eBase fabric: polyester 60%, rayon 40%\u003cbr\u003eBack fabric: polyester 100%\u003cbr\u003eMattress skirt: polyester 94%, polyurethane 6%\u003cbr\u003e・Insulation\u003cbr\u003ePlant-based fiber (kapok) 43%, polyester 30%, acrylic 20%\u003cbr\u003eSynthetic fiber (acrylate fiber) 7%\u003c\/p\u003e\n            \u003c\/div\u003e\n          \u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/section\u003e\n  \u003c\/div\u003e\n\n\n\n\u003c!-- \n  \u003csection class=\"other__title\" id=\"other\"\u003e\n      \u003cdiv class=\"section__title animatedParent animateOnce\" data-sequence=\"300\" data-offset=\"300\"\u003e\n          \u003ch2 class=\"section__title__text fadeInUpShort animated\"\u003e\n              \u003cspan\u003eRECOMMENDED SELECTION\u003c\/span\u003e睡眠の質を高めるオススメ商品\n          \u003c\/h2\u003e\n      \u003c\/div\u003e\n  \u003c\/section\u003e\n  \u003csection class=\"other__pillow animatedParent animateOnce\" data-sequence=\"500\" data-offset=\"300\"\u003e\n      \u003cdiv class=\"other__pillow__inner fadeInUpShort animated\"\u003e\n          \u003ch3 class=\"other__pillow__text__sub__title u-sp\"\u003e速く、深く、脳が眠る。\u003cbr\u003e明日のパフォーマンスを目覚めさせる。\u003c\/h3\u003e\n          \u003cdiv class=\"other__pillow__vimeo\"\u003e\u003cvideo class=\"lozad\" width=\"1920\" height=\"1080\" style=\"aspect-ratio:1920\/1080\" src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/473c0a16e10948f288655ba4c32ab483.mp4\" preload=\"none\" autoplay loop muted playsinline\u003e\u003c\/video\u003e\u003c\/div\u003e\n          \u003cdiv class=\"other__pillow__text\"\u003e\n              \u003cdiv class=\"other__pillow__text__title\"\u003e\n                  \u003ch2 class=\"other__pillow__text__title__logo\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/products_wear_thermocontrol_other_pillow_logo.webp\" alt=\"BRAIN SLEEP PILLOW\" width=\"200\" height=\"63\"\u003e\u003c\/h2\u003e\n                  \u003cp class=\"other__pillow__text__title__name\"\u003eブレインスリープ ピロー\u003c\/p\u003e\n              \u003c\/div\u003e\n              \u003ch3 class=\"other__pillow__text__sub__title\"\u003e速く、深く、脳が眠る。\u003cbr\u003e明日のパフォーマンスを目覚めさせる。\u003c\/h3\u003e\n              \u003ca href=\"https:\/\/brain-sleep.com\/products\/pillow\" class=\"other__pillow__text__sub__more\"\u003e詳しく見る\u003c\/a\u003e\n          \u003c\/div\u003e\n      \u003c\/div\u003e\n  \u003c\/section\u003e\n  \u003cdiv class=\"other__col2\"\u003e\n      \u003csection class=\"other__col2__item animatedParent animateOnce\" data-sequence=\"300\" data-offset=\"300\" id=\"other__comforterpwex\"\u003e\n          \u003ch3 class=\"other__conforter__text__sub__title u-sp\"\u003e羽毛を超越した\u003cbr\u003e極暖掛け布団\u003c\/h3\u003e\n          \u003cdiv class=\"other__col2__item__comforterpwex__img\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/other_comfoter_pwex.webp\" alt=\"\" width=\"503\" height=\"381\"\u003e\u003c\/div\u003e\n          \u003cdiv class=\"other__col2__item__inner fadeInUpShort animated\"\u003e\n              \u003cdiv\u003e\n                  \u003ch2 class=\"other__col2__item__logo other__col2__item__comforterpwex__logo\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/other_comfoter_pwex_logo.webp\" alt=\"BRAIN SLEEP COMFORTER PERFECT WARM EX\" width=\"391\" height=\"97\"\u003e\u003c\/h2\u003e\n                  \u003cp class=\"other__col2__item__logotext\"\u003eブレインスリープ コンフォーター \u003cbr class=\"u-sp\"\u003eパーフェクト ウォーム EX\u003c\/p\u003e\n              \u003c\/div\u003e\n              \u003cdiv class=\"other__col2__item__flex\"\u003e\n                  \u003cp class=\"other__col2__item__flex__desc\"\u003e羽毛を超越した\u003cbr\u003e極暖掛け布団\u003c\/p\u003e\n                  \u003ca href=\"https:\/\/brain-sleep.com\/products\/comforter_perfectwarmex\" class=\"other__more__btn other__more__btn__black\"\u003e詳しく見る\u003c\/a\u003e\n              \u003c\/div\u003e\n          \u003c\/div\u003e\n      \u003c\/section\u003e\n      \u003csection class=\"other__col2__item animatedParent animateOnce\" data-sequence=\"300\" data-offset=\"300\" id=\"other__conforter\"\u003e\n          \u003ch3 class=\"other__conforter__text__sub__title u-sp\"\u003e究極に暖かい\u003cbr\u003eハンテン\u003c\/h3\u003e\n          \u003cdiv class=\"other__col2__item__img\"\u003e\u003cimg loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/other_hanten.webp\" alt=\"\" width=\"556\" height=\"421\"\u003e\u003c\/div\u003e\n          \u003cdiv class=\"other__col2__item__inner fadeInUpShort animated\"\u003e\n              \u003cdiv\u003e\n                  \u003ch2 class=\"other__col2__item__logo\"\u003e\u003cimg class=\"u-pc\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/other_hanten_logo.webp\" alt=\"BRAIN SLEEP WEAR PERFECT WARM HANTEN\" width=\"362\" height=\"93\"\u003e\u003c\/h2\u003e\n                  \u003ch2 class=\"other__col2__item__logo\"\u003e\u003cimg class=\"u-sp\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/other_hanten_logo_sp.webp\" alt=\"\" width=\"306\" height=\"130\"\u003e\u003c\/h2\u003e\n                  \u003cp class=\"other__col2__item__logotext\"\u003eブレインスリープ ウェア \u003cbr class=\"u-sp\"\u003eパーフェクト ウォーム ハンテン\u003c\/p\u003e\n              \u003c\/div\u003e\n              \u003cdiv class=\"other__col2__item__flex\"\u003e\n                  \u003cp class=\"other__col2__item__flex__desc\"\u003e宇宙テクノロジーを身に纏う\u003cbr\u003e究極に暖かいハンテン\u003c\/p\u003e\n                  \u003ca href=\"https:\/\/brain-sleep.com\/products\/wear_hanten\" class=\"other__more__btn other__more__btn__black\"\u003e詳しく見る\u003c\/a\u003e\n              \u003c\/div\u003e\n          \u003c\/div\u003e\n        \u003c\/section\u003e\n  \u003c\/div\u003e --\u003e\n\n\n\n\n  \u003csection id=\"faq\" class=\"faq js-box\"\u003e\n    \u003cdiv class=\"section__title\"\u003e\n      \u003ch2 class=\"section__title__text\"\u003e\n      \u003cspan\u003eFAQ\u003c\/span\u003eFrequently asked question\u003c\/h2\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"faq__main\"\u003e\n      \u003cdiv class=\"faq__item\"\u003e\n        \u003ch3 class=\"faq__item__question\"\u003eCan I wash this protector??\u003c\/h3\u003e\n        \u003cdiv class=\"faq__item__answer\"\u003e\n          \u003cp class=\"faq__item__answer__text\"\u003eYes. Place the product in a laundry net and wash it separately.\u003cbr\u003ePlease avoid the use of bleach.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"faq__item\"\u003e\n        \u003ch3 class=\"faq__item__question\"\u003eCan I use a dryer?\u003c\/h3\u003e\n        \u003cdiv class=\"faq__item__answer\"\u003e\n          \u003cp class=\"faq__item__answer__text\"\u003ePlease note that tumble drying should be avoided.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"faq__item\"\u003e\n        \u003ch3 class=\"faq__item__question\"\u003eWhat color options are available?\u003c\/h3\u003e\n        \u003cdiv class=\"faq__item__answer\"\u003e\n          \u003cp class=\"faq__item__answer__text\"\u003eStone gray\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"faq__item\"\u003e\n        \u003ch3 class=\"faq__item__question\"\u003eWhat mattress sizes is this protector compatible with?\u003c\/h3\u003e\n        \u003cdiv class=\"faq__item__answer\"\u003e\n          \u003cp class=\"faq__item__answer__text\"\u003eCompatible mattress height is approximately 20–30 cm.\u003cbr\u003eMattresses with a lower height can also be used; however, excess fabric may remain on the underside.\u003cbr\u003ePlease ensure the fabric is securely tucked in when in use.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003cdiv class=\"faq__item\"\u003e\n        \u003ch3 class=\"faq__item__question\"\u003eWill the protector cause static electricity?\u003c\/h3\u003e\n        \u003cdiv class=\"faq__item__answer\"\u003e\n          \u003cp class=\"faq__item__answer__text\"\u003eAnti-static processing has been applied to the protector.\u003cbr\u003eIn addition, the materials used—including moisture-absorbing polyester and rayon—help reduce static electricity.\u003cbr\u003ePlease note that static electricity may still occur depending on indoor humidity levels.\u003cbr\u003eIf static electricity becomes noticeable, using a humidifier in the bedroom or lightly misting the product with water or deodorizing spray is recommended.\u003c\/p\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/section\u003e\n\u003c\/div\u003e\n\n\n\u003cscript src=\"https:\/\/cdn.jsdelivr.net\/npm\/slick-carousel@1.8.1\/slick\/slick.min.js\"\u003e\u003c\/script\u003e\n\u003clink rel=\"stylesheet\" href=\"https:\/\/cdn.jsdelivr.net\/npm\/slick-carousel@1.8.1\/slick\/slick-theme.min.css\"\u003e\n\u003clink rel=\"stylesheet\" href=\"https:\/\/cdn.jsdelivr.net\/npm\/slick-carousel@1.8.1\/slick\/slick.min.css\"\u003e\n\n\n\u003cscript type=\"text\/javascript\" src=\"https:\/\/cdn.jsdelivr.net\/npm\/slick-carousel@1.8.1\/slick\/slick.min.js\"\u003e\u003c\/script\u003e\n\u003clink rel=\"stylesheet\" media=\"print\" onload=\"this.media='all'\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/products_mattress_protector_perfectwarmEX_style_202509.css?2\"\u003e\n\u003cscript defer type=\"text\/javascript\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/products_mattress_protector_perfectwarmEX_all.js\"\u003e\u003c\/script\u003e\n\u003cscript src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/products_mattress_protector_perfectwarmEX_script_202509.js\"\u003e\u003c\/script\u003e\n\n\u003cstyle\u003e\n  .spec__item__desc__text__content__title,\n  #clean\n    .technology__item__desc.tips\n    .technology__item__desc__text__content__desc\n    span,\n  .technology__link__lists__title,\n  .concept__txt,\n  .fit__ttl,\n  .sleep__info__quality__cold__text,\n  .sleep__info__quality__golden__title,\n  .sleep__info__book__text__title,\n  .sleep__info__book__top,\n  .mv__caption__text,\n  .technology__item__desc__text__content__title {\n    font-family: \"游ゴシック体\", YuGothic, \"Yu Gothic M\", \"游ゴシック Medium\",\n      \"Yu Gothic Medium\", \"Yu Gothic Pr6N M\", sans-serif;\n  }\n  #clean\n    .technology__item__desc.tips\n    .technology__item__desc__text__content__title {\n    font-family: Termina, \"游ゴシック体\", YuGothic, \"Yu Gothic M\",\n      \"游ゴシック Medium\", \"Yu Gothic Medium\", \"Yu Gothic Pr6N M\", sans-serif;\n  }\n  .mv__caption__text span {\n    font-family: \"游ゴシック体\", YuGothic, \"Yu Gothic M\", \"游ゴシック Medium\",\n      \"Yu Gothic Medium\", \"Yu Gothic Pr6N R\", sans-serif;\n  }\n\u003c\/style\u003e","brand":"株式会社ブレインスリープ","offers":[{"title":"シングル \/ ホワイト","offer_id":47933280944350,"sku":"S0025A1-SNCW","price":16500.0,"currency_code":"JPY","in_stock":true},{"title":"シングル \/ ネイビー","offer_id":47933281698014,"sku":"S0025A1-SNMN","price":16500.0,"currency_code":"JPY","in_stock":true},{"title":"シングル \/ グレー","offer_id":47933281829086,"sku":"S0025A1-SNLG","price":16500.0,"currency_code":"JPY","in_stock":true},{"title":"セミダブル \/ ホワイト","offer_id":47933280977118,"sku":"S0025A1-SDCW","price":19800.0,"currency_code":"JPY","in_stock":true},{"title":"セミダブル \/ ネイビー","offer_id":47933281730782,"sku":"S0025A1-SDMN","price":19800.0,"currency_code":"JPY","in_stock":true},{"title":"セミダブル \/ グレー","offer_id":47933281861854,"sku":"S0025A1-SDLG","price":19800.0,"currency_code":"JPY","in_stock":true},{"title":"ダブル \/ ホワイト","offer_id":47933281009886,"sku":"S0025A1-DBCW","price":24200.0,"currency_code":"JPY","in_stock":true},{"title":"ダブル \/ ネイビー","offer_id":47933281763550,"sku":"S0025A1-DBMN","price":24200.0,"currency_code":"JPY","in_stock":true},{"title":"ダブル \/ グレー","offer_id":47933281894622,"sku":"S0025A1-DBLG","price":24200.0,"currency_code":"JPY","in_stock":true},{"title":"クイーン \/ ホワイト","offer_id":47933281042654,"sku":"S0025A1-QNCW","price":27500.0,"currency_code":"JPY","in_stock":true},{"title":"クイーン \/ ネイビー","offer_id":47933281796318,"sku":"S0025A1-QNMN","price":27500.0,"currency_code":"JPY","in_stock":true},{"title":"クイーン \/ グレー","offer_id":47933281927390,"sku":"S0025A1-QNLG","price":27500.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/0610\/7614\/files\/mattressprotector_allseasons_white.webp?v=1776219621","url":"https:\/\/brain-sleep.com\/en\/products\/mattressprotector_allseasons","provider":"BRAIN SLEEP OFFICIAL SITE","version":"1.0","type":"link"}