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.
Spenco RX® Insoles carry the APMA seal of acceptance. The APMA Seal of Acceptance Program recognizes products which have been found beneficial to foot health and of significant value when used in a consistently applied program of daily foot care and regular professional treatment.