When they made the Arete, they simply built the shoe they all wanted to wear. The Teton outsole deals with just about every trail condition you can throw at it; PU and EVA team up for a lightweight, comfortable, and durable midsole. The nubuck upper with suede accents is comfortable in a huge range of temperatures and conditions. The Upper uses Nubuck Leather with Suede Leather Accents. The BFit Deluxe Insole stabilizes arches, protects high-impact zones, and costs nothing extra.