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 over a four-way stretch - inner bootie - Self-cleaning outsole - BLOOM eco-friendly algae-based EVA footbed that helps - clean polluted water habitats - Easy on handles - Comfort rated to -30F/-34C - Reflective temperature rating mark on heel - Height: 10"