Vionic Tasha slt, Microfiber txtLightweight, 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.Heel Height: 1.5"Vionic 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).*