Train light on your feet with added control. Exclusive RealFlex technology helps promote natural movement of your foot. Individual flex-friendly “nodes" are designed to help your feet move and flex as you train. You get added stability throughout your workout thanks to reinforcements at the heel and toe of the RealFlex Transition. The single layer polyester mesh upper has a stylish hotmelt appliqué to add strength with minimal weight. The thin micro suede tongue won't cramp your style. The full collar lining and added heel counter provide extra comfort that lasts throughout your training routine, with a molded sock liner for cushioning.