Featuring Vionic's classic footbed, Reese's adjustability offers a tailored fit for maximum comfort. Designed with exclusive alignment technology to balance the whole you. Premium upper materials. Durable rubber outsole designed to withstand everyday wear. Lightweight, flexible EVA midsole absorbs shock, reducing stress on feet, ankles, and knees. Adjustable backstrap with buckle closure to ensure perfect comfort and fit. Microfiber-covered footbed that offers a smooth feel and enhanced breathability. 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.