Craft Sportswear Unisex Siberian Bike Cycling Training Shoe Cover Bootie 100% Other Fibers Imported All seams are sealed to be waterproof Reflective prints for extra safety 4-way extra elastic neoprene fabric on wrist and upper part offer zipperless construction Velcro adjuster under the bootie make it fit most pedal systems in the market; 90% Neoprene, 5% Polyamide, 5% Polyester fleece Craft is a Swedish brand specializing in clothing for endurance sports where performance and comfort are crucial for a good result