Altra's taken their best-selling road shoe and given it a complete makeover. The Torin knit features a flashy engineered knit upper that is sleek and comfortable, and thanks to the A-Strap support system your foot stays securely in place mile after mile. If you liked the Torin before, you are sure to fall in love with the knit version. The sock-like upper means it is even more comfortable from step-in to the end of your run. Features: - Footshape(TM) Toe Box: Allows your toes to relax and spread out naturally for more comfort and stability in uphill climbs and downhill descents - Zero Drop(TM) Platform: Places your heel and forefoot the same distance from the ground to encourage proper, low-impact form throughout your trail run - Innerflex(TM): Grid-like grooves in the midsole allow your foot to flex while being lighter, for more speed and better performance - Footpod(TM) Technology: An outsole technology that actually maps the bones and tendons of your foot to help it bend and move naturally - Insole: 5 mm Sculpted Footbed - Midsole: Ultralight EVA with A-Bound(TM) Top Layer - Outsole: FootPod - Upper: Engineered Knit - Weight: 9.1. oz. / 258 g