Docooler Windproof Cycling Shoe Covers or Overshoes Protector Winter Thermal Fleece Men Bike Bicycle Shoe Cover Size L(43-44) 3-layer composite fabric: Durable polyester outer layer + windproof and water-resistant membrane middle layer + superfine thermal fleece lining. Zipper on the back for easy putting on and taking off. Reflective stripe on the back for safe riding at night.