The Reebok RealFlex Fusion TR training shoe features a two-layered synthetic and mesh upper that provides comfort, fit and durability. 3D UltraliteŽ midsole is engineered to be lightweight, with extra durability and responsiveness. Removable PU sockliner adds extraordinary cushioning and can be removed to accommodate orthotics. Multi-directional flex nodes promote natural movement of the foot. Forefoot flex grooves offer the ultimate flexibility. High abrasion rubber outsole gives durability.