Introducing the lightest GT-2000™ in the history of the series! Much of the weight savings can be attributed to the new Heel Clutching System™ and new FluidRide™ midsole. An updated Guidance Line® and Guidance Trusstic System® complement the comfortably supportive Dynamic DuoMax® to provide mild to moderate overpronators the ultimate ride. 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. Dynamic DuoMax® Support System This evolution of DuoMax® system enhances stability and support, with reduced weight and increased platform support. 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. Guidance Trusstic System® This Trusstic System® integrates Guidance Line® construction for enhanced gait efficiency while providing midfoot structural integrity. Heel Clutching System™ Exoskeletal heel counter provides improved support and creates improved heel fitting environment. Discrete Eyelets Independently placed eyelets disburse lace tension, creating a customized fitting environment and enhanced upper comfort. ComforDry™ Sockliner Provides cushioning performance and anti-odor properties for a cooler, drier, healthier environment. Colour: Blue/ Flash Yellow/ Atomic Blue Sizing is in US