The Spenco Standard Insole is a slim-fit shoe liner that gives lasting cushioning. It is lightweight, washable, and can be trimmed to fit with scissors. these insoles are made exclusively with closed-cell nitrogen-injected Spenco material. This unique cushioning system provides a soft comfort bubble environment to absorb shock, reduce friction and improve overall foot comfort. These Spenco insoles were awarded the prestigious Seal of Acceptance by the American Podiatric Medical Association.