Bunheads? Built-In A thin layer of Bunheads? gel is incorporated into the construction of the sole patches, alleviating pressure and providing shock absorption Four-way stretch, breathable Nylon Lycra? Spandex upper Patented ExoArmor duet sole patches move independently Pads are securely sewn with stitching both on the edge and interior Concealed elastic keeps footUndeez? firmly in place without pinching or color breaks Contain more stretch than the original H07 Available Colors Nude Adult XS Sizes 4 - 5 S Sizes 6 - 7 M Sizes 8 - 9 L Sizes 10 - 11 Women and children begin fitting with street shoe size. Men two sizes up. Half and wide widths begin one size up.