Spenco Propel Insoles, Shoe Insert, Blue, Men's 8 9.5Women's 9 10.5

Durable and lightweight performance insoles featuring INergy Foam technology to improve performance of any running shoe 12X greater energy return versus the stock insole from a leading shoe brand, provides a feeling of extra bounce in each step Propel INergy Foam is 2X more durable than EVA Foam for mile after mile of cushioning in any shoe INergy Foam is 20% lighter than TPU foam, providing a more lightweight and supportive feel than TPU foam Features metatarsal pad for ideal foot alignment; contoured heel cup for support Includes one pair of performance insoles; Insoles are trimmable