L105 - Our orthotic for medium to high arches with forefoot pain, featuring a posted heel to control over-pronation and provide balance. Details: Top Cover Material: Polyurethane LeatherPerformance Base: Thermoplastic urethane for shape retentionInsole Thickness: .0125"Recommended for: Professionals and FashionistasBest for: Pumps, Heels, Ballet Flats, Dress shoes and shoes with no removable foot bedHow to Use: Begin by removing the footbed in your shoes, if possible. Replace the insole with your Aetrex Fashion Orthotics. When placing your new Cobra shaped orthotics in your shoes, make sure the arch is placed on the inside of the shoe.