The ASICS® GEL-Nimbus™ IX is a top-of-the-line cushioned running shoe featuring enhanced platform comfort and an upper construction that provides exceptional fit. The broad supportive platform is suitable for a range of runners from underpronators to moderate overpronators. Impact Guidance System (IGS®) linked componentry enhances the foot's natural gait from heel strike to toe off. Solyte midsole offers improved cushioning and durability. Space Trusstic System® creates a pocket between the Trusstic System® device and the midsole, allowing for greater midsole deformation and more efficient foot function. Biomorphic Fit™ upper provides superior fit and function. Dynamic Cradle: supports and guides the foot. Wt. 12.4 oz.