Spenco Propel Performance Insole triathlon and protects against friction every

and protects against friction every step of the way

Raised tips stimulate blood and oxygen flow

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

Speed 2: 2400 rpm

Flexible hourglass design wraps around and compresses muscles while rolling to relieve soreness and speed muscle recovery post workout

Spenco Propel Performance Insole triathlon and protects against friction everySupercharge 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