Fabric Imported Rubber sole FlyteFoam Lyte Technology – ASICS lightest weight midsole formulation that provides continuous cushion thanks to organic nano fibers. Rearfoot GEL technology cushioning system – Attenuates shock during impact phase and allows for a smooth transition to midstance. I.G.S (Impact Guidance System) Technology – ASICS design philosophy that employs linked componentry to enhance the foot’s natural gait from heel strike to toe-off. DuoMax Support System – A dual density midsole system positioned to enhance support and stability, positioned sport specifically. Trusstic System technology – Reduces the weight of the sole unit while retaining the structural integrity of the shoe.