Step into Superior Comfort with the Spenco Polysorb Walker Runner Insole. Crafted for walkers, runners, and joggers seeking extra support and cushioning, this contoured insole delivers flexible and targeted shock absorption for rear foot impact. Ideal for athletic, running, or walking shoes, it features Spencore material for shock absorption and a Spencore heel plug for added cushioning in the heel area. The lightweight Polysorb polyurethane foam ensures heel cupping for a secure fit, along with contoured arch support. Easily customize by trimming to size using the original insole as a guide. Keep them fresh with a simple hand wash in warm water and air dry