The Nike Air Miler Walk+ walking shoe provides solutions for the fitness walker; an athletic, lightweight, cushioned ride...and it's Nike+ ready. Comfort and fit are enhanced by a unique upper with open breathable mesh in the forefoot and supportive synthetic in the heel. Midfoot strap offers support only where you need it. Maximum volume Air Sole® unit in the heel adds great impact protection with a full-length Phylon™ midsole. Softer density forefoot pad gives added cushioning and comfort. Nike+ ready. Solid rubber outsole delivers great traction with BRS 1000™ carbon rubber in the heel adding extra durability. Nike Rolling Rail brings a smooth, stable roll through with the heel-to-toe transition. FCS system combines the Duralon® in the forefoot for extra cushioning with the exposed Phylon™ midsole flex grooves offering ultimate walking flexibility.