Merging all the benefits of barefoot running with the protection of sneakers, Reebok created the low, lightweight, and highly flexible RealFlex running shoes. This pair of shoes features: Mesh upper is lightweight and breathable. Synthetic leather overlays for support on key areas. Form-fitting design and sock-like feel keeps shoe in contact with the foot. Centralized lacing system provides a tighter fit, for more centralized support. Padded tongue, collar and insole for added comfort. Moisture-wicking mesh lining keeps feet cool and dry by absorbing perspiration. SubLite foam midsole for cushioning and durability. Exclusive 3-D Ultralite outsole with RealFlex design, act like individual sensors that allow for multi-directional flexibility and optimal foot feel as you run, jump and stretch. High abrasion rubber outsole provides great traction and adds durability to the shoe.