The Nike Acalme sneaker gets you into the fast lane with lightweight mesh uppers, foam midsole and outsole, and a durable TPU cage. Bootie construction keeps the foot locked in for a secure fit. Lace-up closure for a custom fit. Pull tab at heel. Midsole features Tri-Fusion foam to ensure responsive comfort underfoot. Imported. Measurements: Weight: 11 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.