Size: Single (210x150cm) 【Skin-Friendly, Supreme Flannel Touch】 The inner side, which directly touches the skin, uses smooth and soft high-quality flannel material. With its delicate feel, it provides the ultimate comfort, gently enveloping you from bedtime to morning. Anti-static processing ensures a stress-free experience even in the dry season. 【3-Stage Smart Temperature Adjustment Function】 ① The HEAT-MAX layer quickly absorbs and stores body heat. ② The PCM layer liquefies and solidifies heat, automatically maintaining the ideal temperature inside the futon. ③ The Naia fiber layer prevents stuffiness. It works in 3 stages according to changes in body temperature, reducing tossing and turning and supporting deep, restful sleep. 【Breathability and Moisture Control for a Comfortable Sleep】 Utilizing functional fibers with excellent moisture absorption and release properties, it quickly wicks away sweat and moisture during sleep. It maintains a dry feeling throughout the night, reducing the discomfort of being too hot or too cold. 【7-Layer Construction for High Functionality and Comfort】 A combination of 7 functional materials, including a cold air barrier layer, a heat retention layer, a heat storage layer, a temperature adjustment layer, and a moisturizing layer. It shuts out cold air while ensuring breathability. It's fluffy and lightweight, without putting pressure on the body, and provides a dry, non-stuffy feeling. 【Cleanliness with Machine Washability】 You are freed from the worry of "not being able to wash" like with a down comforter. The entire futon can be easily washed in a home washing machine, keeping it clean at all times. 【Specifications】 Single: Width 150cm x Length 210cm, Filling Weight: Approximately 940g (Heat Retention Layer 630g, Moisture Absorption Layer 310g)