"When the trails are wet and sloppy, be prepared with the proof 2. 0 winter shoe covers ""-"" designed to prevent cold air from seeping in while remaining flexible enough to allow your feet to move freely so you can focus on what's ahead. The sole includes a molded rubber bottom to help improve traction and durability when worn over bike shoes. Reflective detailing and locking zipper are the finishing details in this essential winter shoe cover."