Deluge Zipless Overshoe - Waterproof Pull-onOvershoe in High Stretch fabric allowing zipperless access,High stretch fabrics give zipperless access,Superstretch waterproof thermal neoprene upper heel/cuff,Tough Nylon faced neoprene upper front,Reflective logos on heel/toe area,Reflective heel pull tab for easy access,MTB and Road Cleat compatible sole,Stretch abrasion resistant sole/heel,Hard wearing stitching using aramid thread.ConstructionNeoprene 90%,Nylon 10%.