Spenco Polysorb Insole

Cradles your feet with targeted cushioning that improves your athletic performance and prolongs the life of your shoes. Ideal for walking, running, training and sports. FEATURES 4-Way Stretch Fabric with Silpure Antimicrobial helps prevent blisters while controlling odor SpenCore Material a 5 32inch layer of this material absorbs shock and impact to provide comfort and cushioning Lightweight POLYSORB Polyurethane Foam provides heel cupping and contoured arch support SpenCore Heel Plug provides extra cushioning and shock absorption in the heel