adidas Sport Performance Men's Trans X Mid GTX Boots Nubuck / Suede Leather Upper: Strong nubuck and suede leathers for extra durability and stability. Lining: Gore-Tex extended comfort footwear - waterproof and breathable. Ideal for higher activity levels. Midsole: Outdoor specific Formotion unit for enhanced motion control and downhill comfort. Midsole: Full forefoot and adiPRENE+ for forefoot propulsion and efficiency. Protection plate for impact protection and forefoot stabilization. Outsole: Traxion the perfect combination of stability and grip for hiking.