Adidas Men's Terrex Unity Leather Mid Hiking Shadow Red/Core Black Ready for trail duty, they keep your feet dry with the waterproof protection of RAIN.RDY. A nubuck leather upper is both soft and durable, and it all rides on a Traxion rubber outsole that grips on rugged and uneven terrain. Adidas Men's Terrex Unity Leather Mid Hiking Shadow Red/Core Black