Material of pigskin and mesh for upper 100% recycled laces and webbing Tongue with bellows to prevent debris entry Shielding toe cap Lining made of 100% recycled mesh Removable contoured insole with enhanced heel cushioning for medium support Advanced Kinetic Fit Molded nylon arch support Merrell Air Cushion in heel for shock absorption and stability Stable and comfortable lightweight EVA foam midsole Vibram TC5+ rubber outsole