Keep your training options very flexible and comfortable with the FLEX ADVANTAGE 4.0 white/ black sneakers from SKECHERS. This sporty lace-up sneaker features a leather and mesh upper and cushioned Air-Cooled Memory Foam insole for added comfort. Flex Lite lightweight flexible shock-absorbing midsole. The Flex Advantage 4.0 sneakers are designed with a flexible rubber traction outsole.