Specifications BrandSUPIELDProduct nameThermal SuitProduct Code W50Main Fabrics Polyester 92 Spandex 8 Color black graySize M 4XLFeatures WarmMxA Fine Denier Far Infrared Fiber Self Heating Heat Storage Moisture Transfer Warmmah Ultra fine Fiber High densityHeating Bladder Captures Heat This is A Warm Clothing Thiner Than Cashmere Which is 41 2 thiner than silk fiber and 34 5 thiner than cashmere The Thiner the Fiber The Better The Warmth It Is Like The Sun Antistatic Process Double Skin Without Drying Double layer suede technology can lock heat in all directions and feel warm Moisture absorption and dryness can lock the heat in all directions and feel warm Breathable Design Comfortable Dry Elasticity is Comfortable and Not TightPackage included 1 SUPIELD Thermal Suit