- 100% recycled laces and webbing - 100% recycled microfiber lining - 100% recycled mesh lined removable PU insole - Merrell Air Cushion in the heel absorbs shock and adds stability - Molded nylon arch shank - Super rebound compound provides durable shock absorption in the heel to help reduce torque and allow for a smooth transition into the midfoot - Vibram TC5+ rubber sole - Width : W