BOOST midsole Continental Rubber outsole External heel clip and EVA stabilization frame Regular fit Whether you're hiking for a day or escaping outdoors for a weekend, these adidas hiking shoes will help you reach your destination. A breathable, sock-like upper offers exceptional comfort and a Continental Rubber outsole gives you traction in wet and dry conditions. The BOOST midsole provides long-lasting cushioning so you can explore all day long. This shoe's upper is made with a high-performance yarn which contains at least 50% Parley Ocean Plastic - reimagined plastic waste, intercepted on remote islands, beaches, coastal communities and shorelines, preventing it from polluting our ocean. The other 50% of the yarn is recycled polyester.