L520 - Our orthotic for low arches to flat feet with no forefoot pain, featuring a posted heel to control over-pronation and provide balance. Details: Top Cover Material: Genuine leather Center Cushioning: Cork rubber blend for maximum comfort Performance Base: Suede to help prevent sliding inside shoes Insole Thickness: .18" Recommended for: Professionals and Fashionistas Best for: Shoes with narrow toe areas or no removable depth