Upgrade your run with Cyclone, our lightweight, fast and nimble trainer. The EVA midsole features a ZipFoam™ core for a snappy, responsive ride. The 28 x 23 mm stack height provides an optimal level of cushioning on a neutral platform. Strategically placed rubber on the outsole enhances traction and durability. The ultra-light, seamless engineered mesh upper delivers a breathable and secure fit.