100% waterproof - Slip-resistant outsole - DuraFresh natural bio-technology activates to fight odors - Plush lining for warmth and comfort - BLOOM eco-friendly algae-based EVA footbed - Steel-shank in outsole for stability and support - Soft textured rubber - BOGS Max-Wick evaporates sweat to keep feet dry - Comfort rated to -13F/-25C