Reebok Realflex Strength TR : For optimum natural movement that flexes with your feet, Reebok RealFlex Strength TR aerobic and fitness shoes provide the support and stability you need for success. These training shoes are prepared to meet the demands of your most agile movements with flex nodes that create more seamless motion. The dynamic design on the upper is a super sporty style perfect for every wardrobe. Upper: Synthetic, lightweight mesh provides comfort, enhanced fit, and durability. A padded heel collar enhances step-in fit. FitFrame holds the foot in place. 3D FuseFrame. Midsole: IMEVA midsole delivers superior cushioning. Removable PU sockliner accommodates orthotics. Outsole: Carbon rubber heel strike delivers durable traction. Independent, multi-directional outsole flex nodes promote flexibility and natural movement.