Design: Danner(R) Dry waterproof protection Durable waterproof suede upper keeps the feet dry Nylon shank adds stability to every step TPU heel frame to enhance support and stability Heel pull tab for easy on In-Shoe Comfort: Cushioning open-cell OrthoLite(R) footbed provides long-term cushioning Vibram(R) SPE midsole for maximum rebound, comfort and support Durability & Traction: Vibram(R) Fuga outsole with Megagrip technology offers superior grip on wet and dry surfaces