The Rhiannon features:

• Water Repellent Upper: Treated with a protective coating to help against inclement weather.
• Upper: Leather or nubuck.
• Side zipper offers slip-on sensibility and a secure fit.
• Footbed: Removable microfiber wrapped EVA.
• Shaft Circumference: 10.63"
• Shaft Height: 4.84"
• Heel Height: 1.25"
• Platform Height: .375"
• Outsole: Rubber.
• 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).*