The Sof Comfort Double Thick Insole has 2X cushioning of the All Shoe Comfort insole. It helps absorb shock while increasing the comfort of your favorite shoes. Includes 2 pairs of insoles. May be trimmed as needed for a true custom fit. To trim simply remove the existing insole from your shoe line it up with your new insole as a guide and trace with a ballpoint pen. Carefully cut with a sharp pair of scissors then insert into your shoe with the top side up.