37 millimeters at the heel, 31 at the forefoot — the Cloudsurfer Max stacks height most trainers can’t match, then backs it up with a double layer of CloudTec Phase cushioning and Helion foam so all that stack translates into cushioning, not just bulk. It’s built for the runner who wants maximum protection on the road without giving up feel.
How much stack height does the Cloudsurfer Max have? The Cloudsurfer Max sits at roughly 37mm in the heel and 31mm in the forefoot, putting it among On’s most cushioned running shoes.
