The ASICS® GEL-Nimbus® VIII running shoe is designed to provide exceptional platform comfort, along with a surprising amount of stability for gaits ranging from underpronators to mild overpronators. Biomorphic Fit™ upper provides enhanced fit and comfort while decreasing the potential for irritation. Solyte™ midsole combines improved cushioning and durability. Heel and forefoot GEL® Cushioning Systems offer maximum rearfoot and forefoot shock attenuation in all planes of motion. Advanced Space Trusstic System® creates a pocket that allows for greater midsole deformation and more efficient foot function. IGS® (Impact Guidance System) uses linked componentry to encourage optimal gait while allowing for natural foot movement. Wt. 10.1 oz.