The Pearl Izumi Pro WxB MTB Shoe Covers are the perfect way to keep your feet dry, warm, and secure through the sloppiest and nastiest trail conditions. They can easily slip over your treaded mountain bike shoes and securely close with a two stage hook and loop closure. The interior is lined with fleece for optimal warmth while the exterior is engineered to protect against wind and water alike. The exterior also has reflective accents to keep riders safe in low visibility conditions. The Pearl Izumi Pro WxB MTB Shoe Covers are the ideal barrier for trail riders pushing through the most difficult conditions.