Lynco L105 Fashion Orthotic (Women) - BlackThe orthotic for medium to high arches with forefoot pain, features a posted heel to control over pronation and provide balance. Top Cover Material: Genuine Leather Performance Base: Thermoplastic urethane for shape retention Insole Thickness: . 0125" Recommended for: Professionals and Fashionistas Best for: Pumps, Heels, Ballet Flats, Dress shoes and shoes with no removable footbed How to Use: Begin by removing the footbed in your shoes, if possible.