71972 Bogs Men's Bozeman Mid First Bogs found a way to make most durable boots even more durable, while simultaneously making them 30% lighter. Then they found a way to make them more breathable and tougher to maximize comfort and performance. You won't find a better boot, anywhere. 100% Waterproof Durable hand last rubber with a four way stretch inner bootie Made with Seamless Construction – 30% lighter than comparable boots and enhanced durability Constructed with 7mm Neo-Tech waterproof insulation Rebound technology in outsole provides lasting comfort Lined with EverDry and Bogs Max-Wick to evaporate sweat Eco-friendly, algae-based EVA footbed that helps clean polluted water habitats Self-cleaning BioGrip chemical and slip resistant outsole Bogs Stabilizer provides natural fit and arch support Weight: 3.33 lbs Height: 11 inches Temp Rating: -72°F/-60°C Calf Circumference: 16 inches Product Care Boots can be easily cleaned with a hose and bit of gentle scrubbing, using cold water and soap (if needed). Wipe clean, leave your Bogs to dry naturally, away from sunlight or artificial heat sources. Avoid harsh solvents that could damage and break down rubber. Store boots upright to avoid creasing or folding