Let every stride count. The Cloud X 4 is a versatile performance trainer built for runners who mix it up—fast intervals, gym sessions, tempo days, and everyday miles. It pairs lively CloudTec® cushioning with a stable platform and secure fit to deliver responsive transitions and confident control on varied surfaces.
Engineered with Helion™ superfoam for energetic rebound and a grippy outsole for reliable traction, the Cloud X 4 keeps pace with workouts that demand both speed and adaptability. Breathable mesh and a secure lacing system hold your foot comfortably in place, mile after mile, rep after rep.