Engineered for marathon performance, this design features three innovative technologies. A double dose of Air Zoom units pairs with a full-length carbon fiber plate to provide propulsion. The Zoom X foam midsole offers responsiveness throughout the race. 2 Air Zoom units in the forefoot Zoom X foam midsole full-length carbon fiber Flyplate Atomknit upper 8mm heel-to-toe drop multidirectional containment notched laces integrated knit tongue with lofted padding fits small, recommend ordering a half size up
