The HOKA Cielo FLYX brings unmatched energy to the track. This lightweight spike is crafted to the maximum World Athletics standards with 25 mm of bouncy and resilient cushioning underfoot. Paired with an aggressive rocker shape and snappy composite plate in the midsole, the Cielo FLYX supercharges every step. Details: Upper: The ultra-breathable, single-layer engineered mesh upper keeps your feet cool, even in the heat of competition. A deconstructed collar with a microfiber edge feels like your favorite pair of socks, and the thin performance tongue keeps you locked in at top speeds. Midsole: 25 millimeters of high resiliency PEBA foam is peppy and energetic while the aggressive rocker shape and composite midsole plate feel like the shoe is doing the hard work for you. Outsole: A composite, four-pin spike plate adds traction and responsiveness to propel you forward.