Reebok RealFlex Optimal 3.0 - Men'sThe Reebok RealFlex Optimal 3.0 running shoe features a soft suede upper that provides comfort and support. Multi-direction flex nodes add natural motion. Removable Ortholite foam sockliner accommodates orthotics. 3D Ultralite adds a lightweight, natural footstrike. Blown rubber forefoot gives cushioning, traction and durability. Wt. 9.4 oz.