The Bogs Mesa Black insulated boot is comfort rated to 5°F/-15°C. The 100% waterproof boot is constructed with 5mm Neo-Tech waterproof insulation and DuraFresh natural bio-technology to fight odors. It features BOGS Max-Wick, Mark II slip resistance and BioGrip outsole. It also features BLOOM eco-friendly, algae-based EVA footbed.