These AERO FLY set a whole new standard for indoor shoes and pack a big punch. Their sharp new style combines omnicourt outsole with soft mesh panels for maximum breathability and freedom to launch easily into powerful strides. Twist, kick off and sprint with confidence in shoes that support your every movement perfectly, thanks to an intelligent TPU stability cage sole. These high performance shoes are with you every step of the way. Welcome to the next level! Medium/wide fit: choose your standard size for a slightly wider fit or go down ½ size for a narrower fit.