Our Vibram® XS Trek EVO outsole offers excellent multi-surface traction

The lightweight stretch nylon wraps the ankle and top of the shoe to keep debris out

technical trails your own with the new Terraventure 4

MEN 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

WOMEN Pick up the pace and mileage with Specter 2

Phantom 4 Promotion // Women Our Vibram® XS Trek EVOMEN The latest update to our high cushion neutral trainer, the Phantom 4, delivers an even more cushioned, responsive, and comfortable ride. The all new upper, midsole, and outsole design gives the shoe a sleek, dynamic look. Weve increased the stack height by 2mm, now offering a 35 30mm platform, providing extra cushion. Our ZipFoam compound is lighter, softer, and more responsive than ever. The Topo Athletic Phantom 4 is perfect for daily miles,