Syke Sneaker Men'sLightweight walking sneaker for serious walking Syke is a lightweight walking sneaker designed for serious walking, whether for fitness training or leisure. It is built to keep your stride efficient and smooth, even on longer walks, without unnecessary weight or stiffness. At the core of the shoe is BoomaxX hypercritical ETPU foam, a new generation midsole material that delivers high energy return with a bouncy, responsive feel. It is lighter than