Spenco RX® Clinically Designed—Doctor Recommended. At the heart of every Spenco RX® Product is a unique SpenCore® Layer—a precision engineered material that absorbs shock, reduces shear and friction and improves overall foot comfort. All Spenco RX® Insoles are unconditionally guaranteed for one year.
Firm, adjustable arch support
Helps control, stabilize and balance the foot. Heat moldable for a custom fit. SpenCore® Layer absorbs shock and reduces friction to improve overall foot comfort.