＜Patented Technology＞ Renewed with our proprietary “Carbon Nano Down” material! The functional comforter “Brain Sleep Comforter Perfect Warm EX” offers warmth and fit that “surpasses down feathers.”

Brain Sleep Co., Ltd. has renewed the “Brain Sleep Comforter Perfect Warm EX,” our supremely warm functional comforter that has been well-received since its 2023 launch. The proprietary filling features the patented “Carbon Nano Down” material, where a single fiber granule provides 10 functions including antibacterial, anti-mite, and deodorizing properties. This makes it an even warmer, lighter, and more comfortable functional comforter. The “Comforter Perfect Warm EX” is a one-of-a-kind comforter that combines warmth surpassing down, lightness, and a perfect fit.