Step into a world of ultimate support, cushioning, flexibility, and built-in arch support, all meticulously designed for your walkability. Our exclusive alignment technology ensures the perfect balance for your entire being. Design: Durable synthetic outsole designed to withstand everyday wear across a range of surface Lightweight, flexible midsole reducing stress on feet, ankles, and knees Built-in VIO MOTION Technology footbed featuring contoured arch support, with shock absorbing cushioning, deep heel cup to provide stability, and forefoot flexibility Vionic sandals' built-in orthotic is shown to be effective in helping to treat heel pain caused by plantar fasciitis or achilles tendonitis For optimal comfort, wear your new Vionic shoes for a few hours to let your feet adapt Within 1-2 weeks, you should experience full orthotic comfort and support 1.125 inch(es) heel height