Windproof Bike Toe Lock Overshoes Protector Cover Waterproof Warm Half Toe Lock Bicycle Protector Boot Case Cycling Accessories. Features include windproof and warm protection, high-quality fabrics, protection from rain and mud, and a strap design for firmer installation. Made of diving material and elastic band, the product is available in black and measures about 230x125mm/9.06x4.92inch.