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. a 100% Waterproof a Constructed with 7mm Neo-Tech waterproof insulation a DuraFresh natural bio-technology activates to fight odors a BOGS Max-Wick evaporates sweat to keep feet dry a Durable, hand-lasted rubber with a four-way stretch inner bootie a Self-cleaning outsole a BLOOM eco-friendly, algae-based EVA footbed that helps clean polluted water habitats a Comfort rated to -40AdegF/-40AdegC