Imported Rubber sole Go the extra mile on your next run in the adidas Running Ultraboost 5.0 Alphaskin sneakers. Traditional lace-up closure offers a secure fit. Classic round toe silhouette. BOOST midsole provides instant comfort and energy return with each step to keep you going strong. Padded tongue and collar for added support. Go the extra mile on your next run in the adidas Running Ultraboost 5.0 Alphaskin sneakers. Traditional lace-up closure offers a secure fit. Classic round toe silhouette. BOOST midsole provides instant comfort and energy return with each step to keep you going strong. Padded tongue and collar for added support. Textile and synthetic upper. Textile lining. Removable textile insole. Synthetic outsole.