Adidas Performance Terrex Free Hiker shoes. Exceptionally comfortable walking shoes. This hiking shoe is designed to ensure maximum comfort on long hikes. It has a snug construction and a Adidas Primeknit textile upper that wraps your foot naturally and adapts to every step. The stabilizing element Torsion strengthens the foot, but does not restrict it in motion. Maximum adhesion. The Continental rubber outsole, combined with the cushed midsole, ensures grip on every surface. Infinite Energy Boost is the most active suspension we've made so far: the more energy you give, the more you get it back. Resistance. Wear-resistant and contoured toe cover for comfort and durability. Specification: Difference in sole: 10 mm (heel 33 mm/Toe 23 mm), moulded TPU tip cover, lacing for shocking, water-repellent textile fabric upper Adidas Primeknit with wear-resistant bonded joints, the Continental rubber outsole guarantees extra