36 36.5 37 37.5 38 38.5 39 40 40.5 41 42

Cloudsurfer
Cloudsurfer Trail
cloudsurfer-trail-2
Cloudultra
cloudultra-3
cloudultra-pro
Cloudventure Peak
Cloudvista
Cloudvista WP
On Running Cloudsurfer Trail
On Running Cloudsurfer Trail 2
On Running Cloudsurfer Trail 2 WP
On Running Cloudvista
On Running Cloudvista 2

Intensive (more than twice a week)
Occasional (1 to 2 times a month)
Regular (once or twice a week)

Over 85kg
Under 65kg
Under 75kg
Under 85kg