Design: GORE-TEX® waterproof membrane provides exceptional breathability and waterproof performance Durable full grain leather and breathable mesh upper 100% recycled laces and webbing Bellows tongue keeps out debris Protective toe cap for added protection on the trail Molded nylon arch shank provides stability In-Shoe Comfort: 100% recycled breathable mesh lining for comfortable all-day wear Removable Kinetic Fit™ ADVANCED contoured footbed with reinforced heel cushioning for medium support Merrell Air Cushion in the heel absorbs shock and adds stability Super Rebound Compound provides durable shock absorption in the heel to help reduce torque and allow for a smooth transition into the midfoot Durability & Traction: Non-marking Vibram® TC5+ rubber outsole delivers an all-around balance of grip, traction, durability, flexibility on a variety of terrains 5mm lug height for added grip Additional Details: Weight: 2lbs 5oz (1040g) Made in part with recycled materials