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. Brand New - Never Worn - No box *shoe has some dust stain throughout, just need some cleaning.