FEATURES of the Adidas Men’s Kumacross Mid GTX Leather Boot Upper: Strong nubuck leathers and synthetics for extra durability and stability Lining: Gore-Tex extended comfort footwear-waterproof and breathable Ideal for higher activity levels Midsole: Thin TPU foil for enhanced stability in the midfoot area Midsole: Adiprene insert for comfort and shock absorption Outsole: Traxion the perfect combination of stability and grip for hiking SPECIFICATIONS of the Adidas Men’s Kumacross Mid GTX Leather Boot Weight: 17 oz / 475 gram Leather / Synthetic