BOGS Womens Essential Wellington Neoprene Warm Boots100% Waterproof Durable hand lasted rubber with a four way stretch inner bootie Constructed with 5mm Neo Tech insulation Contoured EVA footbed with Durafresh bio technology that activates to fight odors Line with Bogs Max Wick to keep feet dry Non marking and self cleaning BioGrip anti slip outsole Internal midsole with rubber sponge delivers extra cushioning and warmth Comfort rated to 13F 25C Durable hand lasted rubber with a four way stretch inner