Hit the streets and crush miles in the adidas Running Alphabounce RC 2. Textile and synthetic upper materials. Lace-up closure. Contoured, lightly padded tongue and collar. Smooth textile lining. Lightly padded textile footbed. bounce energy-returning technology promotes light, fast rebound with each stride. Grippy rubber outsole. Imported. Measurements: Weight: 13 oz Product measurements were taken using size 14, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.