Be ready to take on any workout in the Altra Footwear Solstice XT 2. It's the perfect all-day athleisure gym shoe. Traditional lace-up closure offers a secure fit. Classic round toe silhouette. FootShape toe box allows your toes to relax and spread naturally for more comfort and stability during uphill climbs and downhill descents. 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. INNERFLEX features grid-like grooves in the midsole are designed to provide flexibility and movement. Textile and synthetic upper. Textile lining and insole. Synthetic outsole.