M Cloudswift

from On Running

  • $149.99

Helion™ your run

Introducing the Cloudswift with Helion™: an active superfoam that doesn’t tire. Helion™ is a lighter, softer, and more agile foam that’s made to perform on hard surfaces and protect from impact. Temperature resistant and durable with high traction at high speed, even on wet roads. Cushioning without compromise – with an engineered upper to match. 


  • WIDTH: Wide
  • SURFACE: Road
  • ACTIVITY: Training
  • STABILITY: Neutral


  • Helion™ The unique new Helion™ foam won't tire before runners do, thanks to a special blend of hard and soft materials. Its enduring energy return properties offer protection from the road, performance for the run.
  • Engineered mesh construction The engineered mesh construction means multiple benefits, from a snug fit to breathability, mile after comfortable mile.
  • Mid-foot support Strong yet stretchable, the mid-foot support of the mechanical side band means runners're comfortably strapped in for swift runs without losing that feeling of freedom.
  • Rubber reinforcements Durable rubber reinforcements on the Helion™ foam Cloud elements provide enhanced traction to come to grips with high-tempo training, even on wet roads.
  • UPPER Engineered mesh for the perfect comfort balance of hold and stretch. Sock construction for easy step-in and comfort. Mechanical side band adds support.
  • SPEEDBOARD Supports natural rolling motion.
  • OUTSOLE Helion™ Foam combines lightness, cushioning and durability. Newly shaped Cloud elements collapse diagonally to increase horizontal cushioning. Durable rubber sole reinforcements deliver enhanced traction.
  • RUNNER PROFILE 5k, short-medium runs, road running,
  • HEEL-TOE DROP 7mm4.5/16in
  • Men's: US M 7-14
  • Women's: US W 5-11
  • Men's: 290 g | 10.2 oz (US M 8.5)
  • Women's: 240 g | 8.5 oz (US W 7)

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