More speed, More energy return, More comfort. The Cloudboom Echo is our fastest-ever marathon shoe.

The Cloudboom Echo. The ultralight pace of the Cloudboom just got more explosive.
With a more extreme curve, its carbon-infused Speedboard now comes with extra
kick. Add the enhanced forefoot cushioning and you're comfortably crushing records
and rivals. The Cloudboom Echo. For performances that resonate long after the race
is run.

Weight: 190g - US W7