Lift. Sprint. Move. In the Nike® Flex Train sneakers, you have the freedom to choose your own workout adventure. With a flexible outsole and lightweight upper, it unlocks a wealth of training options. Flexibility: Very High Rubber outsole with built-in cutouts and thin slits in the forefoot provides flexibility. Stability: Moderate. An elastic band around the heel adds support. Cushioning: Moderate Full-length foam midsole offers comfort and cushioning. Lightweight Fit Mesh on the upper provides a lightweight, breathable fit. The mesh collar gives you soft comfort around your ankle. Lace-up closure Imported Product Specifications Medium width Material Fabric