Spenco Propel Performance Insole Size:X-Small (Women's 5-6.5 | Men's 4-5.5) this sock provides a soft

this sock provides a soft

Medium cushion absorbs impact and enhances comfort

The redesigned trail favorite

Midweight cushion supports and protects feet

Dual-layer moisture management rapidly pulls sweat away from the skin

Spenco Propel Performance Insole Size:X-Small (Women's 5-6.5 | Men's 4-5.5) this sock provides a softSupercharge 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