Impact Guidance System (I.G.S):ASICS design philosophy that employs linked componentry to enhance the foot's natural gait from heel strike to toe-off. FluidRide:FluidRide provides the ultimate combination of bounce back and cushioning properties with reduced weight and exceptional durability. Rearfoot and Forefoot GEL Cushioning Systems:Attenuates shock during impact and toe-off phases, and allows movement in multiple planes as the foot transitions through the gait cycle. Dynamic DuoMax Support System:This evolution of DuoMax system enhances stability and support, with reduced weight and increased platform support. Guidance Trusstic System:This Trusstic System® integrates Guidance Line construction for enhanced gait efficiency while providing midfoot structural integrity. Guidance Line:Vertical flex groove decouples the tooling along the line of progression for enhanced gait efficiency. Maximum Support Last:Providing more depth and width throughout the mid- and forefoot, this accommodating last is ideal for athletes with higher volume feet or who wear orthotics. Heel Clutching System:Exoskeletal heel counter provides improved support and creates improved heel fitting environment. Biomorphic Fit Upper:Stretch material strategically placed on the upper helps to reduce buckling and the potential for irritation. ComforDry X-40 Sockliner:This premium sockliner features higher rebound properties while providing excellent moisture management, high-level breathability, and anticrobial properties. DuraSponge Outsole:A blown AHAR rubber compound for enhanced cushioning and durability in the forefoot. Mens Sizes: 7, 7H, 8, 8H, 9, 9H, 10, 10H, 11, 11H, 12, 12H, 13, 13H, 14, 15, 16 Model: T523N Choose Options Select Size Quantity 1 ADD TO CART Share| REVIEW THIS ITEM ADD TO WISH LIST ADD TO GIFT REGISTRY EMAIL A FRIEND Description