Endura slick overshoes endura slick overshoes are designed as packable aero overshoes that are fully wind proof their prime purpose is to keep wind chill off your feet and improve aerodynamics whilst keeping shoes clean they are not designed as fully waterproof overshoes features compact overshoe that fits in a jersey pocket high stretch waterproof pu main body fabric rear panel in lycra for additional accommodation silicone gripper at ankle hem and on sole strap ykk rear zipper for access w