Waterproof rubber boot designed with stretchy bootie that fights unwanted odors with DuraFresh technology Insulated design features 5mm waterproof Neo-Tech construction and keep wet elements out Pull handle sides provide a secure fit and easy on and off Max-Wick moisture-wicking lining helps feet stay fresh Cushioned footbed features MaxWick performance to move sweat away from foot to keep you dry longer Non-marking non-slip rubber outsole with a self-cleaning tread Comfort rated from temperate to -4°F