Shoes are in great condition But?they need cleaning Dirt and mud on soles 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.