Durably crafted with a twin gore for slip-on sensibility, the Declan boot is ready to provide superior support for work or weekend. Features Vionic's orthotic insert, First Ray Technology that assists forefoot mobility and gait efficiency, and innovate podiatrist-designed Orthaheel technology that provides superior support, relief, and stability which helps realign the feet back to their natural position. Received APMA Seal of Acceptance. Recommended by Dr. Andrew Weil. 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.