The primary materials that compose this product contain a minimum of 20 percent recycled content. Featuring responsive technology and a stabilizing torsion system, the adidas by Stella McCartney Ultraboost 20 S. Sneaker is perfect for your run! Primeknit textile upper that adapts to the shape of your feet. Lace-up closure. Round toe silhouette. Ankle pull-tab. Textile lining and insole. Ideal for 10k runs. This product contains Parley Ocean Plastic which is made from recycled waste, intercepted from beaches and coastal communities before it reaches the ocean. Features responsive Boost technology for added cushion and energy. Stretchweb with Continental Rubber outsole. Imported. Measurements: Weight: 11.5 oz Product measurements were taken using size 10, width M. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.