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Adopts Medic Recovery Fiber
A warming blanket
that supports fatigue
recovery during sleep


On the crowdfunding platform Makuake
achieved 3,900%
of its funding goal
From the BRAIN SLEEP RECOVERY series,
a comforter model is introduced


A new evolution in blankets
brought together in an
advanced infrared blanket

Proprietary newly developed material
MEDIC
RECOVERY
FIBER
A ceramic material made from natural minerals found on Earth. Among them, high-purity ceramics are carefully selected and blended using a proprietary formulation.
High-level far-infrared emission is achieved through high-density nano-level processing applied to the fibers, along with a specially designed yarn structure.
A ceramic material made from natural minerals found on Earth. Among them, high-purity ceramics are carefully selected and blended using a proprietary formulation.
High-level far-infrared emission is achieved through high-density nano-level processing applied to the fibers, along with a specially designed yarn structure.
while the other side uses highly absorbent cotton, offering a light, refreshing warmth that feels gentle on the skin.
Far-infrared technology is applied to each material.
SOFT HEAT
Cotton blend
Designed for autumn and spring using cotton,
with far-infrared radiant heat
STRONG HEAT
Cashmere blend
Winter-ready performance that surpasses cashmere-like materials
Far-infrared radiant heat
Far-infrared technology is applied to each material.
ISSUE
Different home environments mean
different insulation needs.
Differences in airtightness between apartments and detached houses, as well as variations in housing performance and building age, lead to different bedroom temperature conditions.
It is said that depending on a home’s level of airtightness, perceived temperature can differ by as much as 5°C.
A versatile solution
for diverse living environments
Your bedroom stays warm — so a blanket or lightweight comforter is all you need, even in winter.
You want a blanket or lightweight comforter to adjust to temperature changes throughout the day.
You're looking for a blanket that lasts for years to come.
Adopts advanced far-infrared technology
Recovery blanket

TECHNOLOGY
01PERFECT WARM
A proprietary material that helps regulate the body’s condition
Proprietary far-infrared material
MEDIC RECOVERY FIBER
Carefully selected ceramics at the nano scale are blended from multiple types.
Through proprietary processing, a high concentration of ceramics is successfully integrated into the fibers.
In addition, a specially engineered yarn structure enables a high level of far-infrared radiant heat.
Far-infrared technology that effectively warms the body
Developed from the ground up with recovery in mind, the yarn and fabric are engineered to efficiently absorb body heat and re-emit it as far-infrared radiation back to the body.
Creating an ideal in-bed environment
in winter bedroom environments
Supports comfortable sleep by helping maintain an ideal in-bed temperature of 33 ± 1°C and humidity of 50 ± 5%.
The temperature increases by up to +6°C
when layered over an existing comforter
In cold winter conditions, simply placing it beneath your existing comforter can increase temperature by up to 6°C.
By supporting an ideal in-bed temperature of 33 ± 1°C, it helps maintain a comfortable sleep environment.
02PERFECT CLEAN
An exceptionally soft feel and lasting cleanliness
A texture made to stay wrapped in
exceptional softness against the skin
The cashmere-blend side offers a smooth, refined feel that goes beyond cashmere-like materials, while the cotton-blend side provides a light, breathable texture with a clean, comfortable finish.
Machine-washable and hygienic
In addition to being machine-washable,, enhanced sterilizing performance helps suppress bacterial growth, maintaining a clean condition day after day.
※For a single size, a washing machine with a capacity of 7 kg or more is recommended. Please refer to the washing machine’s instruction manual before laundering.
Compact storage
When not in use, it can be stored compactly in the included drawstring bag.
Easy to carry and convenient for outdoor use as well.
03PERFECT
COMFORT
Consistent comfort
A reversible construction
designed for use across three seasons
A cashmere blend surpassing
conventional cashmere (for winter use)
Through its advanced fiber structure, this winter-use cashmere blend reproduces the scale-like fiber structure found in cashmere and wool, which is known for excellent moisture absorption and release.
The result is a breathable, non-stuffy sleep environment with high moisture regulation. Moisture is further converted into heat, delivering exceptional warmth.
Functions
Far-infrared radiant heat
Thermal insulation
Moisture-absorbing heat generation
Moisture absorption and release
A cotton blend with a refreshing feel
(for autumn and spring)
Highly absorbent cotton is incorporated in the pile layer. While maintaining the light, refreshing feel unique to cotton blends, it also delivers comfortable warmth.
Ideal for transitional seasons such as early autumn and spring.
Functions
Far-infrared radiant heat
Thermal insulation
High absorbency
Non-clammy sleeping comfort
By absorbing and releasing moisture across the entire blanket,
a stable and comfortable in-bed humidity environment is maintained.
Even over time, the ideal in-bed humidity of 50 ± 5% is preserved.
SPECSpecifications
Size
Single size: W150 cm × L210 cm (approx. 1,660 g),br>Semi-double size: W170 cm × L210 cm (approx. 1,880 g),br>Double size: W190 cm × L210 cm (approx. 2,100 g),br>Queen size: W210 cm × L210 cm (approx. 2,320 g)
Storage size:
W46 cm × H58 cm × D46 cm
Storage size:
W46 cm × H58 cm × D46 cm
Color
Brown
MATERIAL
・Shell fabric
Front: Pile section 100% cotton / Base fabric 100% polyester
Back: Pile section 100% polyester / Base fabric 60% polyester, 40% rayon
・Insulation
100% polyester
(Single: 0.23 kg / Semi-double: 0.26 kg / Double: 0.29 kg / Queen: 0.32 kg)
BRAIN SLEEP COMFORTER comparison chart
An ultimate thermal blanket
for winter comfort
FAQFrequently asked questions
Is it washable?
Yes, the product can be machine-washed at home.
Please place it in a laundry net and wash separately.
Avoid using bleach (chlorine- or oxygen-based).
Can it be tumble-dried?
No. Tumble drying may cause shrinkage or deterioration.
Line drying in the shade is recommended.
Is there a specialized comforter cover?
The product features a reversible design and is suitable for home washing, allowing use without a cover.
No cover fasteners are included.
Does it have a front and back side?
The comforter features a reversible design.
Both sides are blanket fabrics: one side is designed for winter use, and the other offers a softer cotton feel suitable for autumn and spring.
How thick is the comforter?
This is a lightweight blanket-type comforter with an approximate thickness of 2 cm.
What seasons is this comforter suitable for?
The reversible design allows use according to the season and personal preference.
For winter use, the cashmere blend side is recommended against the skin, while for spring and autumn, the cotton blend side is recommended.
Can a compression storage bag be used for the comforter?
Thin comforters may lose their loft if stored in compression bags for extended periods, so this is not recommended.
For storage, place the comforter in the included fabric storage bag and keep it compactly stored.
What color is available?
Available in a single brown color option.
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