Size Small will fit US shoes size 5.5 - 8. Size Large will fit US shoes size 8.5 - 12 Features: Detachable 0.5 inch and 1.5 inch insole, you can customize your height from 1.5 to 2 inches. Extraordinarily air cushioned designed for maximum comfort. Ultra light weight material. Trimmable for best fit. Comes in pairs of course For use with regular shoes: After you insert the insole into shoes, the shoe back (Rear Heel Area) may not be high enough to hold in your foot. Your shoes become easy to slip off when you walk. Please make sure your shoes is "High Profile" such as a boot style. Insoles will take up more space from your shoe's interior. We recommend you to pick half size smaller than your shoe size. Recommended for occasional use only. For best performance, always try out our well designed height elevated shoes. Use with elevator shoes is not recommended.
I'm surprised of colors Detachable Height Increase Elevator Shoes Insole - 1.5 to 2 inches Taller. Looks much better than on images!