Story Built for long-term comfort and performance in the mountains When you’re in the mountains, on the trail, and on your feet all day, a comfortable and supportive shoe is nothing less than a necessity. The Terrex Free Hiker fuses adidas Primeknit textile uppers to keep things lightweight with their Boost midsole that cushions and provides energy, finished off with a Continental rubber outsole that grips a variety of surfaces with ease. Features Flexible and water-resistant Primeknit lightweight textile upper Abrasion-resistant welded reinforcements on upper at stress points Boost™ midsole provides a soft, shock-absorbing ride and all-day comfort Continental rubber outsole with rugged tread provides excellent traction on a variety of terrain Materials Upper: Primeknit textile Midsole: adidas Boost™ Outsole: Continental Rubber Sizing The adidas Terrex series fits true to size, take you normal sneaker size