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’s proprietary TOTALSUPPORT® Technology with the added benefit of a soft, low-density PolySorb® Structured Memory Foam body, friction-reducing SpenCore® impact zones and a Plastazote® top cover to help eliminate pressure points that can cause blisters.