Imported Rubber sole The adidas Running Ultraboost Web Alphaskin Sneakers offer comfort and protection for your active running and outdoor sessions. Primeknit upper with added stretch and support. Gusseted tongue and collar for added protection. Boost midsole. Lace-up closure. The adidas Running Ultraboost Web Alphaskin Sneakers offer comfort and protection for your active running and outdoor sessions. Primeknit upper with added stretch and support. Gusseted tongue and collar for added protection. Boost midsole. Lace-up closure. Signature brand detailing on the tongue. Regular fit. Rubber outsole.