Previously owned 100% Waterproof • Constructed with 7mm Neo-Tech waterproof insulation • DuraFresh natural bio-technology activates to fight odors • Bogs Max-Wick evaporates sweat to keep feet dry • Durable, hand-lasted rubber over a four-way stretch inner bootie • Self-cleaning outsole • Removable EVA footbed • Easy on handles • Comfort rated to -30°F/-34°C • Reflective temperature rating mark on hee