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ON RUNNING Cloud X (M) - White / 7 is backordered and will ship as soon as it is back in stock.

Stability. Versatility. Maneuverability. The Cloud X is Swiss Engineered to crush any and every movement-based workout. Refined to the specifications of multi- functional athletes, it punches well above its ultralight weight. Cutting edge technological innovations and a Helion™ superfoam injection means the second- generation Cloud X improves on all the strengths of its predecessor, and is even more durable. This powerhouse never backs down from a challenge, and is at home on the track, street or in the gym.

For breathability and an irritation-free fit, the Cloud X tongue is integrated into the upper of the shoe. The no-sew design and sock layer lining ensures an inch-perfect fit for any activity that gets you fit.


  • UPPER: Engineered mesh in a function-focused pattern
  • SPEEDBOARD: Fast-firing Speedboard supports explosive movements
  • MIDSOLE: Helion™ superfoam for comfort, resilience and rebound.
  • OUTSOLE: Traction pattern provides hold on hard surfaces