Insole Superfeet® FLEX Full Length Foam / Nylon-Black / Blue / Orange (Female 10-1/2 to 12 / Male 8-1/2 to 10) (FL143310)The FLEX insole provides medium support and volume The Superfeet contoured shape helps stabilize and support the foot, reducing stress on feet, ankles, knees, and back The Aerospring comfort foam absorbs impact to deliver comfort that lasts The flexible, horseshoe shaped heel cradle provides structure and stability The ventilated forefoot improves air circulation and breathability It has Moisturewick odor control They keep their shape, delivering