Shoe Comfort Kit - Create ultimate fit and comfort for fussy flats and killer heels! 1 pair each of: Ball-of-Foot Cushions, Heel Liners and Pressure Spots Secret No. 17: Strut your stuff with confidence and comfort! Made with a proprietary formula of soothing IsoGel material, the 3-in-1 Shoe Comfort Kit provides ultimate fit and comfort so you can always put your best foot forward. Heel Liners and Ball-of-Foot Cushions provide outstanding shock absorption, keep your feet from slipping and improve the fit of your shoes. Pressure Spots are perfect for blisters and calluses and protect feet from rubbing against your shoes.