展开SPEEDROLL technology propels you forward effortlessly, so you can run faster. Ultra-lightweight PWRRUN PB technology gives you incredible rebound and energy return. The S-shaped carbon fiber plate allows for powerful transitions and maximizes SPEEDROLL. FORMFIT technology hugs the foot in 3D comfort, while enhanced heel support and non-slip laces keep you secure at all speeds. The single-layer mesh upper keeps the shoe lightweight and breathable.The XT-900 outsole, with its reinforced abrasion zones, offers optimal traction and durability. Drop - 8 mm. Heel height - 35.5 mm. Forefoot height - 27.5 mm. Weight - 213 g (7.5 oz).