BRAIN SLEEP MATTRESS PROTECTOR PERFECT WARM EX
背中の保温性112%UP マットレスを、冬仕様にアップグレード
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On the crowd funding platform Makuake,
the “PERFECT WARM” series
Surpassed a cumulative
¥230 million in support!
Introducing the warmest and most comfortable cover ever
created by BRAIN SLEEP.

When that happens,
simply add
COMFORTER COVER PERFECT WARM,
an easy way to enhance
warmth and comfort.

POWER UP
POWER UP
Crafted with a specially engineered fleece fabric that comes remarkably close to the softness of cashmere, it delivers an exceptionally soft, silky-smooth touch—reminiscent of true cashmere.
POWER UP

POWER UP
Cashmere and wool feature a unique, scale-like fiber structure that enables excellent moisture absorption and release.
Inspired by these natural scales, the same type of fiber structure was developed from the ground up.
As a result, it achieves high moisture-regulating performance for a dry, non-stuffy environment.
In addition, absorbed moisture is efficiently converted into heat, delivering exceptional warmth.

Absorbs moisture and generates heat like cashmere and wool. A temperature increase of up to 4°C was observed.

At high humidity levels, moisture is effectively absorbed and released, helping maintain a comfortable sleep environment.

Test method: surface temperature test conducted in a winter bedroom environment
(20°C, 65% RH)

Blankets and comforters no longer shift or slip.
Boosts the warmth of the comforter already in use.
Yes. The product is machine-washable.
Please place it in a laundry net and wash separately. Do not use bleach.
Please avoid tumble drying.
Available in one color only: Stone Gray.
Anti-static treatment is applied. In addition, the materials used—polyester and rayon with moisture-absorbing properties—help reduce static buildup.
However, static electricity may occur depending on the room’s humidity.
If static becomes noticeable, increasing bedroom humidity or lightly misting the product with water or a deodorizing spray is recommended.
Please use the brushed side against the skin.