Spenco® Combat Boot Extra Comfort insoles are proven to deliver the best combination of shock absorption and energy return* during any athletic activity. Spenco® Combat Boot/ Extra Comfort Style Insoles are made of closed-cell nitrogen-injected Spenco® material and is laminated over a specially contoured, lightweight polyurethane base to provide outstanding cushioning and foot stability. Awarded the Seal of Acceptance by the American Podiatric Medical Association. Unconditionally guaranteed one full year. Combat/Extra Comfort Style for walking, running and jogging. Special “heel strike” cushion for walking, running, and jogging. Great for hard working feet and all-day relief. Six sizes fit men’s 6-15, women’s 5-12.  Product #39-289