ASICS Women's GEL-190 TR Cross-Training Shoe 100% 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 SpEVA Midsole Material: Improves bounce back characteristics and decreases midsole breakdown. Trusstic System Technology: Reduces the weight of the sole unit while retaining the structural integrity of the shoe Width Specific: Designed and built on lasts and molds that are tooled specifically to designated widths.