SKU 9477732The adaptive Primeknit upper, signature adidas® stripes, and the responsive boost™ midsole make the adidas® Running Ultraboost S.RDY running shoes a great choice for your daily workouts. Support Type: Neutral.Cushioning: Lightweight, flexible response. Surface: Road. Differential: 10mm. The lace-up closure, thin tongue, and cushioned collar add comfort. A structurally-supportive synthetic mid-foot cage provides support. FITCOUNTER molded heel counter offers a natural fit that allows optimal movement of the Achilles tendon. Smooth textile lining with a removable foam insole. Ultracushioned boost™ midsole is optimized for a responsive ride that helps return energy. TORSION® SYSTEM, placed between the heel and forefoot, helps promote a more stable ride. Continental™ rubber outsole delivers reliable grip over wet and dry surfaces. STRETCHWEB rubber in the outsole flexes for increased energy underfoot. Imported. View Zappos.com Glossary of TermsFind something wrong in this description? Help us fix it! Report An Error