Our fastest carbon-plated shoe, remixed for all-out performance. Silky smooth suede. Barely there mesh. Every material and stitch obsessed over to cut weight. It's the attitude of a track spike, in a shoe built for the demands of distance. If you thought you knew your limits, think again. FEATURES & BENEFITS Run faster, not harder, with propulsive SPEEDROLL Technology Built on the same propulsive engine as the Endorphin Pro 2, with ultralight PWRRUNPB for added spring and energy return Signature S-curve carbon-fiber plate makes for powerful transitions with max SPEEDROLL effect Ultralight mesh upper with suede detailing and perforated tongue for added comfort and breathability FORMFIT hugs the foot in 3D comfort, while enhanced heel support and anti-slip laces keep you secure at any speed-XT-900 outsole with reinforced high-abrasion zones provides optimal traction and durability Lighter footprint: This style contains recycled materials