Lightweight, plush cushioning goes hand in hand with a supported feel when you ride in the Cortana 3 from Saucony. Successor to the Cortana 3 (no longer available) . Built for the neutral to underpronator who requires enhanced cushioning. Highly breathable mesh upper with featherlight FlexFilm overlays. Sauc-Fit is a unique fit system that helps lock the mid-foot over the midsole while keeping the heel securely in place. Support Frame locks the heel securely in place. HydraMAX Collar Lining provides exceptional in-shoe comfort and moisture-managing properties. Full-length PowerGrid midsole centers the foot, absorbs impacting shock and distributes pressure to promote a smooth, responsive ride. SRC (Super Rebound Cushioning) Impact Zone helps attenuate shock, setting the foot up for a smoother transition. Medial post for enhanced support. Midsole Height: Heel/Toe: 22 mm/18 mm Differential: 4 mm ; IBR is a new blown rubber compound designed to be lighter and more responsive, while delivering better cushioning. XT-900 carbon rubber outsole material delivers exceptional traction and long-lasting wear. Imported. Measurements: ; Weight: 11 oz ; Product measurements were taken using size 12, width D - Medium. Please note that measurements may vary by size.