Textile and Synthetic Imported Rubber sole Shaft measures approximately low-top from arch DuoMax? Support System: A dual density midsole system positioned to enhance support and stability, positioned sport specifically. Rearfoot GEL? Cushioning System: Attenuates shock during impact phase and allows for a smooth transition to midstance. Trusstic System Technology: Reduces the weight of the sole unit while retaining the structural integrity of the shoe.