Composite fabric: The running gloves are made of 88% polyester and 12% Spandx to ensure that your hands are warm and dry without overheating.The inside is compounded with fleece, which is delicate and soft to the touch. Outstanding Heat Protection: Keep your hands safe and comfortable with our heat resistant gloves that can withstand temperatures of up to 1472°F. We use the highest standard of fire protection materials to ensure maximum safety and protection. Ski Snowboard Gloves Inserting: 40g Thinsulate insulating material and polyfill interlining to keep hands warmer,waterproof membrane inside gloves, soft and comfortable tricot Lining