Ignite your run with the On Cloudspark WMNS "Black Blueberry", a high-propulsion shoe engineered for maximum energy return. This women-first design leverages data from over a million foot scans for a truly tailored fit and biomechanical support. A dual-density sole featuring Helion™ superfoam and a flexible nylon-blend Speedboard® delivers a powerful, forward-rolling ride, maximizing air time and minimizing ground contact. The lightweight, breathable upper, made from 100% recycled polyester, ensures a secure, comfortable, and sustainable stride.
