You might not wear these down a Paris runway, unless it&';s 13 below and pouring. 100% Waterproof Slip-resistant outsole DuraFresh natural bio-technology activates to fight odors BOGS Max-Wick evaporates sweat to keep feet dry Plush lining for warmth and comfort Bio-based footbed provides comfort while minimizing environmental impact Steel shank in outsole for stability and support Soft textured rubber Comfort rated to -4AdegF/-20AdegC