- Knit and man made uppers
- Firm yet flexible, removable textile-covered EVA orthotic insert.
- Durable rubber outsole.
- Vionic active footwear features Advanced Motion System (AMS) technology, combining our podiatrist-designed orthotic with a flexible, cushioned outsole and a lightweight, breathable upper. Step into support for work, play and everyday.
- Recommended by Dr. Andrew Weil.
Vionic Flex Sierra Lace Up Online VI552SH0K369PH