Tie one on with the Pippa, a gorgeous knotted strap flip flop in lustrous, soft leather. These are a size 8.5 and honestly not worn outside of house (see bottoms) excellent, barely used condition. Leather upper with microfiber-covered footbed. 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).