The versatile Altra Wahweap shoe combines the comfort and functionality of gym shoes and climbing shoes so no matter where you roam, you get there in comfort! Predecessor: None. Stack Height: 17mm. 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. Balanced Cushioning places the heel and forefoot at equal distance from the ground to promote proper, low-impact form throughout the run. FootShape toe box allows your toes to relax and spread naturally for more comfort and stability during uphill climbs and downhill descents. Soft and functional 30 percent hemp upper provides breathable comfort. Lightly padded tongue and collar with easy-on pull tabs. Thin foam insole. Traditional lace-up closure. Responsive EVA foam midsole. Siped rubber outsole delivers technical multi-surface traction with a climbing-style wrapped toe. Imported. Measurements: Weight: 8 oz Product measurements were taken using size 8, width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.