One of the top quality cushioned running shoes on the market. Ideal for runners who underpronate, those prone to increased shock transmission through the lower limbs to Neutral runners those with minimal biomechanical problems. 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 cycle.Clutch Counter: Exoskeletal heel counter provides improved support and creates improved heel fitting environment.ComforDry Sockliner: Removable sockliner that provides cushioning performance and anti microbial properties for a cooler, dryer and healthier environment.California Slip Lasting: For stability and comfort. Upper is stitched around a canvas or EVA board and directly attached to the midsole.Discrete Eyelets: Independently placed eyelets disperse lace tension, creating a customize fit environment and enhanced upper comfort.3M Reflective: Stay safe reflective properties for night or dusk running.SpEVA: Asics midsole material takes on a new role as a lasting technology for enhanced cushioning and comfort.AHAR: Acronym for Asics High Abrasion Rubber. Placed in critical areas of the outsole for exceptional durability.Fluidfit: Asics fluidfit technology combines a technical mesh that stretches in multiple directions with other stretch materials to create a glove like fit.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: Reduces the weight of the sole unit while retaining the structural integrity of the shoes.Impact Guidance System: The Asics IGS is a technical shoe 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.