Bbb speedflex overshoes designed to offer the best protection against the rain extra tough and durable kevlar reinforcements on shoe cover heel and nose vanced 2 mm waterflex material outer polyurethane pu rubber with the inner microfleece give the highest level of water resistance flexibility and durability ergonomic two panel design provides a minimum length of seams and a perfect fit reflective industrial strength zipper reversed zipper for the best performance in extreme