Design: Pigskin leather and mesh upper 100% recycled laces and webbing for the perfect fit every time Bellows tongue keeps out debris Protective toe cap In-Shoe Comfort: 100% recycled mesh lining for enhanced comfort Kinetic Fit(R) ADVANCED removable contoured insole with reinforced heel cushioning for medium support Molded nylon arch shank provides additional support and structure Merrell Air Cushion(R) in the heel absorbs shock and adds stability Lightweight EVA foam midsole for stability and comfort Durability & Traction: Grippy Vibram(R) TC5+ rubber sole offers enhanced traction