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. Leave limits behind. 


  • Wider platform ensures stability, security, and support.
  • Larger Cloud elements in the outsole are reinforced with Helion Superfoam offering the very best in cushioning and responsiveness.
  • Extended sidewall design on both the medial and lateral sides helps to lock the foot in place during dynamic, side-to-side movements.
  • The engineered mesh features a function-focused weave pattern ensuring durability, flex, and breathability when and where it is needed.
  • Speedboard - Polypropylene
  • Helion Superfoam for comfort, resilience, and rebound; Fast firing polypropylene speedboard supports explosive movements.
  • Molded cushion pads in the heel cap offers a supreme fit and feel.
  • An integrated tongue and no-sew design ensures an irritation free fit.
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  • Activity: Casual, Running, Walking, Cross-Training, Fitness
  • Advanced Features: Reflective, Midsole plate, Removable Insole, Breathable, SockLiner
  • Advanced Technology: Cloudtec, Helion, Speedboard
  • Arch: Normal (Mid)
  • Closure Type: Lace Up
  • Forefoot Stack Height (in): 0.7467 in
  • Forefoot Stack Height (mm): 19 mm
  • Heel Stack Height (in): 0.9825 in
  • Heel Stack Height (mm): 25 mm
  • Insole Material: Not Applicable
  • Lining Material(s): Not Applicable
  • Midsole Material: Injected Helion Superfoam (OBC)
  • Offset (in): 0.2358 in
  • Offset (mm): 6 mm
  • Outsole Brand: Other
  • Outsole Material: Rubber
  • Primary Colour: Black
  • Product Weight (g): 230 g
  • Product Weight (oz): 8.113 oz
  • Shoe Cut: Low-Cut
  • Shoe Size (UK): 8.5
  • Shoe Size (US): 8 1/2
  • Shoe Width: D
  • Sustainability: Performance
  • Upper Material(s): Polyester