The athletic Altra Footwear Solstice XT cross-training shoes build on the comfort and style of the original Solstice with an added durable caged upper and full rubber outsole that works in and out of the gym. Cushioning: Low. Differential: 0 mm. Total Stack Height (total thickness of midsole and outsole underfoot): 23 mm 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. Breathable, quick-drying mesh with 3D-printed overlays. FootShape toe box allows your toes to relax and spread naturally for more comfort and stability during uphill climbs and downhill descents. Lightly padded tongue and collar. Breathable fabric lining offers a great in-shoe feel. 3mm diecut footbed with breathable fabric lining. High Abrasion EVA midsole with INNERFLEX grid-like grooves in the midsole for flexible comfort and better performance. Imported. Measurements: Weight: 8 oz Product measurements were taken using size 9, width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.