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The PolySorb Cross-Trainer Insoles from Spenco extend the life of your shoes while providing shock absorption to improve your athletic ability. The Eva fore-foot cushion provides superior cushioning and energy return for high-impact sports. Each insole features Spencore material with a Spencore heel plug for extra cushioning and shock absorption.

• 4-way stretch fabric
• Anti-microbial protection
• Eva-forefoot cushion
• 5/32" layer of Spencore material
• Lightweight, polysorb-polyurethane foam
• Extra-cushioned Spencore heel plug