FEATURES: Waterproof membrane seals out water and lets moisture escape Waterproof full grain leather upper 100% recycled laces and webbing Waterproof suede leather upper Bellows tongue keeps out debris Cleansport NXT(TM) treated for natural odor control Heel loop for ease of entry as well as carabiner compatibility 30% recycled rubber outsole Lightweight EVA foam midsole for stability and comfort 50% recycled removable EVA foam footbed