Pigskin leather and mesh upper - 100% recycled laces and webbing - Bellows tongue keeps out debris - Protective toe cap - 100% recycled mesh lining - KineticFit ADVANCED removable contoured insole and reinforced heel cushioning for medium support - Molded nylon arch shank - Merrell Air Cushion in the heel absorbs shock and adds stability - Lightweight EVA foam midsole for stability and comfort - Vibram TC5+ rubber sole - Lug Depth: 5.0mm