DryVent waterproof membrane OrthoLite Hybrid footbed for long-lasting comfort UltrATAC rubber outsole - help you stay sure-footed on wet and slippery as well as dry and gravelly ground Breathable - lightweight fabrics help regulate body temperature Grip sole - rubber compounds that deliver superior grip, traction and durability Heal positioning technology - ensures stability EVA midsoles Gusseted tongue Protective toe cap Molded-synthetic heel overlay Embroidered geo quarter Padded collar Integrated lacing system Forefoot webbing detail