Spenco Propel Performance Insole triathlon these socks help keep your

these socks help keep your feet cool

Midweight cushioning provides shock absorption in high-impact zones

Designed with light padding

The Yaktrax® Pro will instantly give you better traction

and protects against friction every step of the way

Spenco Propel Performance Insole triathlon these socks help keep yourSupercharge the cushion in your everyday trainer with Spenco Propel insoles featuring INergy Foam technology. Experience a lighter, more durable insole that provides superior energy return versus the standard insole. Features 12X Greater Energy Return giving you a feeling of extra bounce in each step 2X More Durable for mile after mile cushioning in any shoe 20% Lighter for a lightweight supportive feel while gliding down the road Contoured and