Slip-on your feet for a supportive fit and enhanced movement by wearing adidas Running Ultraboost 1.0 athletic sneakers. adidas PRIMEKNIT recycled textile upper. Textile lining. Removable, textile insole. Round toe. Slip-on your feet for a supportive fit and enhanced movement by wearing adidas Running Ultraboost 1.0 athletic sneakers. adidas PRIMEKNIT recycled textile upper. Textile lining. Removable, textile insole. Round toe. Lace closure. Padded tongue and lift-back for added support. BOOST midsole. Continental Rubber outsole.