Designed to keep you moving with maximum comfort and support, the built-in Orthaheel motion-controlling footbed features contoured arch support and a deep heel cup that realigns your stride so that you can achieve your fitness goals. The firm, thermoplastic heel counter offers increased stability and support, the molded midsole has a built-in .5" elevation for a smooth transition in the heel-to-toe strike zone and the breathable, moisture-wicking mesh liner with a PU foam base helps reduce friction against the skin. Received APMA Seal of Acceptance. Recommended by Dr. Andrew For the greatest comfort, we recommend wearing your new Vionic footwear for just a few hours for the first few days to allow your feet to adjust to the new level of orthotic comfort and support. Within one to two weeks you should find the product completely comfortable and supportive. Support Technology:.