Lift. Run. Move. In the Nike® Flex Train shoes, you have the freedom to choose your own workout adventure. Its all-purpose attributes unlock a wealth of training options, thanks to a flexible outsole and a lightweight upper that is made of mesh for lightweight, breathable support. These low-top sneakers are made of a rubber insole and polyester lining. Their full-length foam midsole offers comfort and cushioning, while the elastic band around the heel supplies added support. Designed with a mesh collar that gives you soft comfort around your ankle, these lace-up shoes keep you comfortable all day.