Reebok Men's Trainflex 2.0 Cross Trainer Grey/Black Die-cut EVA sockliner adds comfort. Best for: running, training, everyday wear. Flex outsole for flexibility and cushion. FlexCage technology in the forefoot creates strength and support. 3DFuseFrame technology adds lightweight toe protection. Fit: low-cut design for freedom of movement and quicker transitions. Materials: mesh for lightweight flexibility and breathability Reebok Men's Trainflex 2.0 Cross Trainer Grey/Black