Features Water resistant nylon upper 100% Waterproof injected rubber shell with rugged outsole BLOOM eco-friendly, algae-based EVA footbed that helps clean polluted water habitats DuraFresh natural bio-technology activates to fight odors BOGS Max-Wick evaporates sweat to keep feet dry Comfort rated to -22°F/-30°C Features Water resistant nylon upper 100% Waterproof injected rubber shell with rugged outsole BLOOM eco-friendly, algae-based EVA footbed that helps clean polluted water habitats DuraFresh natural bio-technology activates to fight odors BOGS Max-Wick evaporates sweat to keep feet dry Comfort rated to -22°F/-30°C