Craft Sportswear Unisex Bike Cycling Reflective Rain Bootie: protective/riding/cooling 50% Polyester with Polyurethane Coating/50% Polyamide Imported Reflective prints for extra safety Craft is the official apparel and footwear sponsor of Spartan Race Designed to protect your feet in cold and wet conditions All seams are covered with waterproof tape on the inside Wind- and waterproof fabric with brushed backside to protect against cold and wet