the minimal ZipFoam™ midsole offers just enough cushioning to provide comfort and protection

rugged terrain

WOMEN We freshened it up from top to bottom to amplify the comfort and light stability that’s been the foundation of Ultrafly from the start

a new outsole design features strategic rubber zones to enhance flexibility and increase traction

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

Ultraventure 4 Last Chance Men the minimal ZipFoam™ midsole offersMEN Discover comfort worth sweating over with the fourth generation of our best selling trail runner. The Topo Athletic Ultraventure 4s plush platform combines with our signature roomy toe box to deliver long lasting comfort, while the ZipFoam midsole offers lightweight response. Our Vibram XS Trek EVO outsole offers excellent multi surface traction, with a lug pattern and depth optimally designed for light to moderate trails and for easy trail to