Spenco PolySorb Cross Trainer Insole Winter Version 3 features a new

Version 3 features a new more supportive insole

keep moisture out and protect your feet

it’s ready with the extreme rubber sole

Polyurethane midsole for comfort

Soft sole cushioning and moisture management

Spenco PolySorb Cross Trainer Insole Winter Version 3 features a newThe Spenco Polysorb Cross Trainer Insole offers the best combination of shock absorption and energy return in the Spenco line. Ideal for anybody looking for additional cushioning in the forefoot or heel. Polysorb polyurethane foam provides arch and heel support while a Spencore heel plug provides extra cushioning and shock absorption. An SBR forefoot cushion provides superior cushioning and energy return for high impact sports. The top layer is made