An industry first:
innovative materials
The next generation
comforter that goes
beyond down

Autumn, Winter and Spring A matching quilt that can cope with the temperature difference

秋冬春の寒暖差に対応する、合わせ掛け布団

Comparison with feather materials that surpass feathers in every respect

Comfortable warmth
in any environment in Japan

moreover

The comfortable dual structure makes it suitable not only for winter

Long-term comfortable sleep
in autumn and spring

autumn

Comforter

winter

Comforter
+
inner blanket

spring

Inner blanket

The best value
for money duvet. Keeps your bed and storage neat and tidy.

TECHNOLOGY

01 PERFECT WARM

The ultimate warmth surpassing that of feathers: Newly developed carbon nano down
pellets

  • Moisturizing
  • Moisture absorption and heat generation
  • Far infrared radiation heat
  • Moisture absorption and release
  • Compression Recovery
  • laundry
  • Antibacterial
  • Anti-mite
  • deodorant

Comforter

Incredible moisture absorption and heat generation power!
Approximately three times that of regular pellet cotton
[Carbonano Down]

コンフォーター ( 掛け布団 )

This is a photo of the temperature change when water vapor was applied to Carbonano Down. The result was that the temperature rose from 18.2℃ to 33.5℃ as it absorbed moisture.


3D twin quilting keeps the warmth in

In general down comforters, heat escapes through the quilting, so we use a unique 3D quilt with a two-layer structure where the top and bottom quilts do not overlap,
achieving the ultimate in heat retention that keeps the warmth in while keeping the volume down.


Warm yet comfortable without stuffiness

It has superior breathability compared to down comforters. The entire comforter absorbs and releases moisture, creating a comfortable, stuffy sleeping environment.

Inner blanket (blanket)

Originally developed
new material that absorbs moisture and generates heat
[Kapok Heat EX]

インナーケット （ 毛布 ）

The filling is a proprietary material called Kapok Heat EX, which has a higher moisture absorption and heat generation than down. The raw materials used are kapok, a plant fiber that absorbs moisture and generates heat, acrylic, which has high heat retention, and acrylate, which has high moisture absorption and heat generation properties. This allows us to create a light, heat-retaining duvet without using animal fibers, thanks to its moisture absorption and heat generation properties.

Kapok is a tree that grows indigenously in Southeast Asia, and the cotton extracted from its kernel is one-eighth the weight of regular cotton. It has been gaining attention in recent years as a sustainable, highly functional material that is not made from animal fibers.

2 pieces

Double-layered air pockets for
ultimate warmth

2枚合わせ

In the coldest months, you can layer two layers together to create a large air pocket. This traps air with excellent insulating properties, keeping you comfortably warm until morning.

Heat retention far exceeds that of feathers

Compared to goose down, which is considered to be the highest quality material for duvets, it provides approximately 168% more heat retention.

The cotton batting clings tightly to your body, keeping out the cold and preventing heat from escaping.


It fits perfectly to the body and
keeps warm air from escaping.

The wadding filling, outer fabric, and quilting create a snug fit that keeps out the cold and keeps the warmth in.

02 PERFECT COMFORT

Comfortable DUAL structure that can be adjusted
in three ways to suit the environment

A dual comforter is all you need

Regular comforters can only be used during certain seasons, so you want to have one for each season. But with a dual comforter, you can use one or two together. No extra comforters are needed. It also takes up less space when stored.

Down-like pellets provide an exceptional comfort
that exceeds that of a duvet

The down balls of different sizes are intertwined like feathers, so you can put it on without letting the warm air escape. In addition, it does not use any of the hard feather-like material used in down comforters, so it is softer than a down comforter.

Easy to put on and take off with one touch.
Comfortable without slipping.

If you layer a regular comforter and blanket, they will shift while you sleep. The Dual can be easily attached with hooks, so you can maintain your warmth without worrying about them shifting. You can sleep peacefully until the morning.

03PERFECT
CLEAN

Wash in your home washing machine
for a clean and comfortable life


A winter comforter that can be washed in a home washing machine

Even though it's a washable futon, it won't fit in your washing machine at home...
This problem is solved. The comforter and blanket can be separated, so you can wash them separately in your home washing machine.


[Washing machine compatibility guideline]
・Comforter single/semi-double size: washing machine of 7 kg or more
・Comforter double/queen size: washing machine of 9 kg or more
*Please check the washing machine's instruction manual as it varies depending on the model and shape of the washing machine.

Carbonano Down
provides the ultimate in cleanliness

The carbon nano down filling used in the jacket has stronger antibacterial properties than antibacterial agents, suppressing the growth of bacteria and eliminating the unpleasant odor of sweat. It also prevents the growth of dust mites, achieving the ultimate in cleanliness.

The amount of dust generated
by down comforters is only 3% of that of down comforters.

The amount of dust generated by the futon is kept to a minimum, so you can use it every day with confidence.

It is compact and
doesn't take up much space even in the off-season.

Storage is also an important element of bedding. It can be stored compactly in the included special bag.

Of course, it can be compressed and stored.

It is not recommended to use a compression bag for down comforters because the feathers will pierce the outer fabric and blow out. However, you can use a compression bag with the Dual Comforter. This allows for even more space-saving storage.

Specification comparison table

SCENE

SPEC

Size

Single size: Approx. W150cm x L210cm (Approx. 3,450g)
Semi-double size: W170cm x L210cm (Approx. 3,620g)
Double size: W190cm x L210cm (Approx. 4,040g)
Queen size: W210cm x L210cm (Approx. 4,470g)
Storage size:
Single/Semi-double: Approx. W57cm x D30cm x H40cm
Double/Queen: Approx. W57cm x D35cm x H40cm

収納時のサイズ：
シングル/セミダブル:約W57cm × D30cm × H40cm
ダブル/クイーン:約W57cm × D35cm × H40cm

Color

Stone Grey

Material

●Comforter
: Outer fabric
100% polyester
; Insulation
1st layer: 100% polypropylene;
2nd and 3rd layers: 85% polyester, 15% synthetic fiber (acrylate-based);

●Inner blanket
: Outer
fabric: 100% polyester;
Lining: Pile part 100% polyester; Base fabric part 55% polyester, 45% rayon
; Insulation:
43% vegetable fiber (kapok); 30% polyester; 20% acrylic; 7% synthetic fiber (acrylate-based fiber)

Even on days with large
temperature differences,
this is the only
duvet you need

FAQ

Can I do laundry?

It can be washed at home. Remove the comforter and inner blanket, and wash each separately in a laundry net. The washing machine capacity is approximately 7 kg or more for single and semi-double comforters, and 9 kg or more for double and queen sizes. However, if the shape or model of the item does not fit in the washing machine, we recommend washing it by hand or at a large coin laundry. Please note that forcing the item into the washing machine may cause it to break down. Please check the washing machine's instruction manual in advance.

Can I use bleach?

Please avoid using bleach (chlorine-based or oxygen-based) as it may cause discoloration or fading.

Can I use a tumble dryer?

Please avoid tumble drying as this may cause the product to shrink or deteriorate.

Can I use a futon dryer?

Yes, you can. However, please avoid using it on top of the Brain Sleep mattress or near the Brain Sleep pillow as it may cause the shape of the product to change.

How do I dry it?

Choose a day when the outside temperature and humidity are favorable for drying. Wash early in the day and hang both sides to dry. When drying, gently pat with your hands to loosen the cotton to make it fluffier.

How do I set two pieces together?

Spread the inner blanket with the blanket side facing down. Check the position of the comforter's hooks, align the foot part and place the comforter on top. Fold the collar of the inner blanket up. Fasten all the hook buttons. When removing the hook buttons, remove them from the base of the button without pulling the fabric.

How to use 3WAY?

Use two layers together during the coldest seasons, and on other chilly days or when there are large temperature differences, remove them and use one each. As a guideline, we assume that you use two layers together in winter, one comforter when autumn turns to winter and when winter turns to spring, and one inner blanket during the warmer seasons of early spring. We recommend that you use the three layers depending on the room temperature.

Do you have a special duvet cover?

All comforters are regulation size, so you can use a commercially available duvet cover. The inner blanket can be used without a cover. Since it is not a regulation size (length is 230 cm), a cover is not included. If it gets dirty, it can be washed as it is.

Can I use a compression storage bag?

Yes, it is possible. When using the compression storage bag, be sure to dry it thoroughly after washing. Also, when using it again, take it out of the storage bag and spread it out so that air can enter inside the futon.

What colours are available?

Only one color, stone gray, is available.

1 10

Brain Sleep Comforter Perfect Warm Dual

Brain Sleep Comforter Perfect Warm Dual

¥55,000
¥55,000
Tax included.
size

453 in stock

※年末年始は、荷物量の増加などに伴い通常よりも配送に遅れが生じる場合がございます。
※指定日通りのお届けができない場合もございますが、あらかじめご了承ください。

即日配送

配送日時指定

送料無料

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同時購入でコンフォーター10％OFF

Brain Sleep Pillow
¥33,000 税込
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同時購入でプロテクター10％OFF

Brain Sleep Mattress Protector Perfect Warm EX
¥14,300 税込
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Brain Sleep Coin
Brain Sleep Coin
¥8,800 税込
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Brain Sleep Comforter Perfect Warm Dual Usage Instructions +

When washing, use a laundry net and wash separately.
●Please avoid using bleach.
●Do not leave the product wet, as it may fade or transfer color if wet or if it rubs against wet objects.
●Due to the characteristics of the material, discoloration or color transfer may occur when wet or if rubbed against wet objects, so please do not leave the product wet.
●Due to the characteristics of the material, threads may come loose if you pull the fluffy part too hard.
Due to the nature of the material, pilling and shedding may occur due to friction, etc. We recommend using a lint catcher when washing.
●If the item does not fit in your home washing machine, please use a large coin laundry or consult a dry cleaner.
●Avoid tumble drying.

Brain Sleep Comforter Perfect Warm Dual Material +

■ Comforter
 <Side fabric>
100% polyester
<Filling>
1st layer: 100% polypropylene
2nd and 3rd layers: 85% polyester, 15% synthetic fiber (acrylate type)
Filling amount: Single 1.0kg, Semi-double 1.13kg, Double 1.27kg, Queen 1.4kg

■Inner blanket
 <Outer fabric>
100% polyester
<Lining fabric>
Pile part: 100% polyester
Base fabric: 60% polyester, 40% rayon
<Filling>
Plant fiber (kapok) 43%, polyester 30%, acrylic 20%, synthetic fiber (acrylate type) 7%
Filling amount: Single 0.28kg> Semi-double 0.31kg Double 0.35kg Queen 0.39kg

Brain Sleep Comforter Perfect Warm Dual Size +

■ Product size
Single size: Approx. W150cm x L210cm (approx. 3,450g)
Semi-double size: Approx. W170cm x L210cm (approx. 3,620g)
Double size: Approx. W190cm x L210cm (approx. 4,040g)
Queen size: Approx. W210cm x L210cm (Approx. 4,470g)

■ Size when stored
Single/Semi-double: Approx. W57cm x D30cm x H40cm
Double/Queen: Approx. W57cm x D35cm x H40cm
View full details
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