Engineered for middle-distance running, the Victory 2 features a carbon fiber Flyplate and an Air Zoom unit. The responsive Zoom X midsole pairs with an Atomknit upper and midfoot containment cables to provide stability and control through turns. two-chamber forefoot air zoom unit four-spike traction design full-length carbon fiber flyplate atomknit upper detachable chain and charm lightweight responsive plate material durable outer traction plate fits small, recommend ordering a half size up