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Description
xFast running, short-mid distances, Helion™ HF. Features: A layer of Helion™ HF for max energy return and rebound; Propulsive nylon-blend Speedboard®; Engineered woven mesh upper that's breathable and ultralight; Reflective elements help you shine; Rockered geometry for a fast, forward-rolling ride; Updated toebox design for fast training sessions; Forefoot grip for added support during the toe-off phase; Design inspired by our pinnacle, race-winning super shoes. Materials: Recycled Nylon. For unbeatable energy return and a seriously responsive ride, the top layer of the midsole is made with Helion™ HF – the same high-performance, supercritical foam used in our pinnacle race-day shoes.. Ultralight and breathable, the engineered mesh upper helps you feel fast on your feet. It features reflective elements on the heel wedge and logo for an eye-catching look.
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