the kea is a simple sneaker slip-on with crucial assist, with colourful mesh uppers and twin gore panels at the vamp for ease of movement. All-around comfort is the call of the game. •uppers: mesh and man-made higher. •insole: company yet bendy, detachable fabric-covered eva orthotic insert. •durable rubber outsole. •advocated via dr. Andrew weil. Vionic energetic shoes features fmt technology, combining our podiatrist-designed orthotic with a bendy, cushioned outsole and a lightweight, breathable higher.