Built for the long haul on varied terrain, the Topo Ultraventure 4 is a high-cushioned trail runner that’s lightweight and responsive to keep you comfortable on the trails. Whether you're grinding out an ultra or enjoying a casual weekend hike, the Ultraventure 4’s Vibram® XS Trek EVO outsole is durable and versatile enough to handle multi-surface routes for easy transitions from trail to road. Plus, the roomy toe-box and recycled mesh upper let you forget about your feet so you can explore more. Details: Upper: The recycled mesh upper features a strategically placed PU print for added structure and durability in high abrasion areas. A roomy toe box allows your toes to splay and a secure fit through the midfoot and heel helps you feel confident and nimble on uneven terrain. Midsole: A lightweight ZipFoam™ midsole gives you a comfortable ride and responsive underfoot experience. Outsole: The Vibram® XS Trek EVO outsole offers excellent multi-surface traction and durability for easy transitions from trail to road.