Runners between sizes or with wider feet may prefer to size up half a size — or consider the wide version

The Vibram® XS Trek EVO outsole offers multi-surface traction and durability for a variety of activities and daily wear year-round

Additional rubber coverage on the outsole improves durability and traction

The Vibram® Megagrip outsole offers superior traction and slip resistance

Lace up with Terraventure 4 WP - no rain check or weather delay needed with our new waterproof trail runner

Ultrafly 6 Size:10 Runners between sizes or withMEN We freshened it up from top to bottom to amplify the comfort and light stability thats been the foundation of Ultrafly from the start. With even more cushioning than its predecessor, we redesigned the medial post to now wrap the heel to ensure smooth stability throughout. The ZipFoam midsole continues to evolve, now providing an even more responsive ride. Additional rubber coverage on the outsole improves durability and traction, while optimizing