Spenco Propel Performance Insoles

Want to supercharge your favorite running shoes? Try the Spenco Propel Performance Insoles! Featuring 12x greater energy return than industry standards, these insoles put an extra bounce in every step. Enjoy comfort mile after mile from the durable INergy foam. If you want a lighter, more durable insole with superior energy return, try the Spenco Propel Performance Insoles!

• 12x Greater Energy Return gives you an extra bounce in every step
• 2X More durable INergy Foam for comfort mile after mile
• 20% Lighter for a supportive feel while gliding down the road.