From Vionic, the Women's Relief Full Insoles feature: Received APMA Seal of Acceptance Working or walking experience comfort and support with versatile RELIEF for whatever the day throws your way Podiatrist-designed as a cost-effective alternative to custom-made orthotics Offers a convenient, pain-free solution for many of the common aches and pains associated with poor lower limb alignment Lightweight, medium-density molded EVA base for maximum support and superior comfort; deep heel cup is designed to facilitate good foot positioning Features heel and forefoot pad for added comfort and cushioning Fresh antimicrobial and Odorban™ anti-odor top cloth For footwear with removable factory insoles we recommend removing factory insoles before fitting your Vionic orthotics Designed with trim marking for a custom fit if necessary. See packaging instructions for more details For best results, it is recommended that you replace your orthotics every 6-8 months Ideal for casual and work shoes with removable insoles Imported.