Step into the lightweight and performance-ready Altra Viho road running shoes and set a new pace for your workout routine. Stack Height : 26mm Balanced Cushioning places the heel and forefoot at equal distance from the ground to promote proper, low-impact form throughout the run. Fit4Her technology caters to the specific form of the female foot, which has a narrower heel and midfoot, a higher instep, a longer arch and unique metatarsal spacing. FootShape toe box allows your toes to relax and spread naturally for more comfort and stability during uphill climbs and downhill descents. Multi-directional mesh upper provides breathable and flexible all-day comfort. Traditional lace-up closure with a lightly padded tongue and collar. 5mm contoured footbed with a removable insole. INNERFLEX grid-like grooves featured in the midsole for lightweight flexibility and enhanced comfort. FootPod outsole technology maps the bones and tendons of your foot, allowing it to bend and move naturally. Imported. Measurements: Weight: 8 oz Product measurements were taken using size 8.5, width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.