An excellent new shoe from Asics, back to an original ideal shoe. The GT 2000 is ideal for over pronators, those who are predisposed to an inward rolling motion as the foot progresses toward to off, to those who have an exaggerated inward roll and poor shock attenuation. For those with a medium to low arch, Runners with this kind of foot strike should opt for shoes in the cushioning and structured cushioning group as these are.Rearfoot Gel: Attenuates shock during impact phase and allows for a smooth transition to midstance.Forefoot Gel: Attenuates shock during impact and toe off phases, and allows movement in multiple planes as the foot transitions through the gait cycleComforDry Sockliner: Removable sockliner that provides cushioning performance and anti microbial properties for a cooler, dryer and healthier environment.Discrete Eyelets: Independently placed eyelets disperse lace tension, creating a customize fit environment and enhanced upper comfort.Removable Sockliner: EVA sockliner moulded to the shape of the foot, which can be removed to accommodate a medical orthotic.California Slip Lasting: For stability and comfort. Upper is stitched around a canvas or EVA board and directly attached to the midsole.Clutch Counter: Exoskeletal heel counter provides improved support and creates improved heel fitting environment.Dynamic Duomax: Next generation Duomax sysem provides greater comfort and enhances gait efficiency.3M Reflective: Stay safe reflective properties for night or dusk running.AHAR: Acronym for Asics High Abrasion Rubber. Placed in critical areas of the outsole for exceptional durability.SpEVA 55 Lasting: Asics midsole material takes on a new role as a lasting technology for enhanced cushioning and comfort.Fluidride: The latest evolution in Asics midsole technology. Fluidride provides the ultimate in bounce back and cushioning characteristics while being lightweight.Guidance Line: Vertical flex groove decouples the tooling along the line of progression for enhanced gait efficiency.Guidance Trusstic: Reducing the weight of the sole unit while retaining the structural integrity of the shoe.Impact Guidance System: The Asics IGS is a technical shoes design philosophy that allows the athletes foot to perform in a more natural manner. Asics high tech IGS shoes are constructed in a way that enhances natural gait.Light AHAR Sponge: A blown Asics High Abrasion Rubber outsole material with high abrasion resistant qualities for added durability, combined with a comfortable, cushioned ride.