These are the boots that started it all. "All what," you ask? Well, they were the original BOGS that started keeping people warm, dry, and comfortable. The Classic II features an all new outsole and heel that provides for better stability and traction. Features 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 with a four-way stretch inner bootie Self-cleaning outsole 90Adeg heel for support on rough uneven terrain Bio-based footbed provides comfort while minimizing environmental impact Nylon shank in midsole for support and stability Comfort rated to -40AdegF/-40AdegC