On Cloudboom Strike LS Size:12.0(W13.5) Built for running and made

Built for running and made to be seen

Lighter than the Zoom Fly 5

Seamless to set the pace

It combines with a full-length carbon plate for a propulsive and stable feel as your foot takes off

The line that "breaks" the heart is the elevation profile of the world-famous Heartbreak Hill

On Cloudboom Strike LS Size:12.0(W13.5) Built for running and madeNeutral & Racing High Cushion On's ultrafast Cloudboom Strike, now with the lightest LightSpray upper. Get ready for serious pace. Seamless to set the pace An ultra thin, second skin fit that's seamless, with enough support for race day. How? A single 1. 5km long filament is spun by the robot to create a mesh like upper, which is breathable and elastic, with no need for laces. And, at just 30g, its the lightest upper weve ever made. Sprayed to cut