GORE-TEX waterproof membrane exceptional breathability and waterproof performance - Mesh and TPU upper - 100% recycled laces and webbing - Bellows tongue keeps out debris - Protective toe cap - 100% recycled mesh lining - 50% recycled EVA foam insole - Molded nylon arch shank - Merrell Air Cushion in the heel absorbs shock and adds stability - Rock plate for protection - Lightweight EVA foam midsole for stability and comfort - Vibram TC5+ rubber sole - Lug Depth: 5.0mm