You don't even know what your feet are missing until you feel the ride in Reebok's RealFlex Optimal running shoe. This well-equipped offering wins with a segmented rubber sole for excellent traction and unparalleled flexibility in every step. Of course, Optimal boasts all the comfort you've come to love from Reebok as well as a breathable mesh upper and stylish colorways--both designed to keep you cool in more ways than one.