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.
Soft, durable arch support
Soothes tired feet and sore arches. Improves body alignment. Absorbs shock and reduces friction that can cause blisters. Seven sizes fit any shoe or boot.