BOGS Shale Mid GLACIALGRIP WP US Size 15 Men's Work Boot BLACK 100% Waterproof Rebound cushioning provides all-day comfort and energy return BOGS Max-Wick and EverDry evaporate sweat to keep feet dry BLOOM eco-friendly, algae-based EVA footbed that helps clean polluted water habitats. DuraFresh natural bio-technology activates to fight odors GlacialGrip slip resistant outsole for maximum traction on wintery surfaces