Get ready to sparkle! The icon of Orthaheel Technology, our best-selling Tide sandal, is now offered with a sequined upper. Patent Pending Manmade uppers. Lightweight, flexible EVA midsole absorbs shock, reducing stress on feet, ankles and knees. Durable rubber outsole with a patterned tread provides traction on a variety of surfaces. Orthaheel Technology is biomechanically designed to hug your arches and support your feet in comfort. Vionic sandals' built-in orthotic is shown to be effective in helping to treat heel pain (plantar fasciitis). Recommended by renowned Dr. Andrew Weil. Received APMA Seal of Acceptance. Available in women's whole sizes 5-12. If you are a half size, we recommend ordering the nearest size down. Fits medium/wide "B/C" widths. 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.