The Kea is a simple sneaker slip-on with essential support, with colourful mesh uppers and twin gore panels on the vamp for ease of movement. All-around comfort is the name of the game. •Uppers: mesh and man-made upper. •Insole: firm yet flexible, removable textile-covered eva orthotic insert. •Durable rubber outsole. •Recommended by Dr. Andrew weil. Vionic active footwear features fmt technology, combining our podiatrist-designed orthotic with a flexible, cushioned outsole and a lightweight, breathable upper.