Vionic Womens Relax Slippers in Berry Zebra Size 9 Polyester^Terry Convenient, pain-free natural healing solution to many of the common aches and pains associated with poor lower limb alignment. Orthaheel technology is clinically proven to reduce excess pronation, a contributing factor to flat feet. & plantar fasciitis EcoFresh anti-bacterial odor-reducing footbed and linings. Fabric covered TPR outsoles with wave-patterened tread provide stability and traction for indoor use. Built-in orthotic footbed provides arch support and is great for people with plantar fasciitis.