The Pro Lite shoe covers protect your feet without compromising your aerodynamic edge. A polyurethane membrane is laminated with an extremely stretchable spandex fabric that molds the foot’s shape, providing a barrier against cold and rain and giving you an optimal aerodynamic fit. The higher cuff with silicone elastic provides a better fit and prevents infiltrations. Waterproof fully taped internal seams keep your feet warm and dry in any condition. Velcro fastener under sole for easy pull on and off , back and side reflective logo for added visibility. The shoe covers are ideal for chilly, rainy or windy days.