Ultraventure 4 Width:Regular Fortius™ Air 20 nylon liner

Fortius™ Air 20 nylon liner is lightweight

supportive landing every time

Catch ‘em if you can

plus specially constructed

The result is a more fine-tuned racing shoe that’s trusted by Jakob from the mile to the marathon

Ultraventure 4 Width:Regular Fortius™ Air 20 nylon linerDiscover comfort worth sweating over with the fourth generation of our best selling women's trail running shoes. 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