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.
3/4 length is excellent for low-profile or tighter fitting footwear.
Shoe Size (US):
Size 1: Womens 6-6.5
Size 2: Womens 7-8.5, Mens 6-7.5
Size 3: Womens 9-10.5, Mens 8-9.5
Size 4: Womens 11-12.5, Mens 10-11.5
