Have the best looking feet in the lodge. And the warmest ones outside. a 100% Waterproof a Rebound cushioning provides all-day comfort and energy return a DuraFresh natural bio-technology activates to fight odors a BOGS Max-Wick evaporates sweat to keep feet dry a Fleece lining for warmth and comfort a BLOOM eco-friendly, algae-based EVA footbed that helps clean polluted water habitats. a Zipper on medial side for easy entry a Comfort rated to -13AdegF/-25AdegC