Pearl iZUMi Pro Barrier WxB Shoe Cover 100% Other Fibers Imported Spring/summer 2017 P.R.O. Barrier wxb fabric provides optimal wind and water protection. Fleece lined interior for warmth. Waterproof, taped external seams Second generation two stage hook and loop closure provides both sleek fit and easy on and off. For road shoes with external CLEATS Durable rubber toe area provides superior traction on wet surfaces. BioViz reflective elements for low-light visibility Fabric: 92% Nylon/8% Elastane