A running shoe that's in touch with your foot, the nike Flex has 76 sensors to deliver multi-directional flexibility and optimal foot feel on the outsole. The flexibility of the shoes can really be noticed when standing on ones toes, so these shoes are great for both sprinting (on the toes), or easy distance (mid-foot or heel). A runner who puts in a lot of miles each week will appreciate this shoe because it's lightweight and comfortable. On the other hand, a moderate runner will appreciate this shoe because they're not footing extra weight as is the case with some of the heavier running shoes . Upper Mesh upper with soft felt overlays Soft, mesh lining Lacing system for a customised Fit Padded tongue and collar for snug fit Padded foot-bed for all-day comfort Midsole Phylon midsole for a cushioned ride Outsole One piece rubber outsole with deep grooves and waffle patterned lugs Out-sole adhered onto the upper to act as a guard Shoe care Wipe surface with clean, damp cloth to remove dust Do not machine wash or store in direct sunligh