The Reebok RealFlex Transition Trainer features a synthetic and mesh upper that adds comfort, fit and durability. Removable Ortholite foam sockliner delivers extraordinary cushioning and accommodates orthotics. Multi-direction flex nodes provide natural motion. 3D Ultralite offers a lightweight, natural footstrike. Multi-surface outsole made with high abrasion rubber gives traction and durability. Wt. 7.4 oz.