Aetrex Thinsoles Orthotics are designed to provide maximum comfort and support in footwear styles that offer little or no removable depth. This orthotic features a soft microfiber top cover and our signature Aetrex Arch Support to help biomechanically align your body & help prevent common foot pain such as Plantar Fasciitis, Arch Pain and Metatarsalgia.L1320 - Our orthotic for low arches to flat feet with forefoot pain, featuring a posted heel to control over-pronation and provide balance.Details: Top Cover Material: Soft microfiber Performance Base: AeroCell polyurethane for high energy return Insole Thickness: .082" Recommended for: Individuals with shoes that have little or no removable depth Best for: Dress shoes, Shoes with no removable footbed or with narrow toe areas