The Willa Mule features:
- Upper: Leather, suede or raffia.
- Footbed Lining: PU Covered EVA.
- Outsole: Durable Rubber.
- Heel Height: 0.62".
- Vio-Motion Technology is 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).*