Spenco Propel Performance Insole triathlon Speed 2: 2400 rpm

Speed 2: 2400 rpm

making it ideal for both short workouts and ultra-distance runs

the Drymax Lite-Mesh Mini Crew combines airflow and moisture control for optimal comfort

and protects against friction every step of the way

The Yaktrax® Pro will instantly give you better traction

Spenco Propel Performance Insole triathlon Speed 2: 2400 rpmSupercharge 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