Saucony Endorphin replacements These insoles feature a thin layer of specialized PEBA-based foam. This material is designed to sit directly over Saucony's premium PWRRUN PB midsole. It ensures the shoe retains its ultra-lightweight, high-rebound, and bouncy energy return. SPEEDROLL Compatibility: While the mechanical "rocker" shape is built into the shoe's actual frame and plate, these factory insoles are contoured to flex seamlessly with that SPEEDROLL geometry. Length: 12 inches Condition: Gently used, no damage, no odors Color: Blue Use: Running, training, everyday comfortFully functional Great replacement insoles if someone needs fresh cushioning or lost their originals. Smoke free home