The Alamosa is a great trail shoe that can be used on a variety of terrains. The uppers are made with a combination nubuck and mesh for both durability and breathability. A removable anatomical EVA footbed provides arch support for all day comfort. Multi directional traction lugs, and TPU shank add superopr stability on uneven terrain. Non-marking rubber outsole provides great traction and grip. Orthotic Friendly.