Sugoi Wind Mitt Back of hand : 100% Polyester Face, 100% Polyurethane laminate, 100% Polyester Back / Palm, Cuff & Fourchette : 88% Polyester,12% Spandex / Back of Thumb : 100% Polyester Imported Micro fine offers a comfortable balance between water resistance and breathability Fino Therm offers accelerated thermal wicking with a Fleeced inner side and a Linear texture on the surface Comfortable midzero 2 inch cuffs Fabric Type :Palm and CUFF 88% Nylon/12% Spandex; Back 100% Nylon Face/100% Polyester Back