Black And Charcoal Flex Sierra By Vionic
FLEX SIERRA BLK/
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Add some pep to your step with this unprecedented blend of style and technical features. The Sierra showcases an engineered knit upper for added breathability and a dual-density outsole with rubber elements for great traction underfoot. 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.