On Cloudboom Strike LS Size:M11/W12.5 It’s the unbeatable tech and

It’s the unbeatable tech and a keen eye for style that’s been keeping runners comfortable

Lightweight woven fabric has perforated sections to enhance breathability

This men's short sleeve shirt includes reflective branding and piping for a sleek finish

Eco-friendly and comfort from ethically-sourced

Additional ventilation - Additional ventilation in the back provided by glue-taped

On Cloudboom Strike LS Size:M11/W12.5 It’s the unbeatable tech andOn's ultrafast Cloudboom Strike, now with their lightest LightSpray upper. Get ready for serious 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 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 On has ever made. Creating the upper in a single piece not only creates a seamless,