On Cloudboom Max | Lightweight Supportive Marathon Shoes for All

Maximum Speed. Maximum Energy Return.

The On Cloudboom Max is engineered for runners who demand elite-level performance. Built on On's most advanced racing platform, it delivers explosive energy return and a featherlight feel — from track workouts to marathon race day.

Why Runners Choose the Cloudboom Max

• Inclusive Sizing for All Runners — Available in sizes 36–45 to fit a wide range of athletes
• Supportive Cushioning Platform — Absorbs impact and returns energy for sustained comfort over long distances
• Lightweight & Breathable Build — Keeps you cool, fast, and comfortable from start to finish
• High-Grip Rubber Outsole — Confident traction on wet and dry surfaces, mile after mile

Specs

• Brand: On Running
• Available Sizes: 36 / 37.5 / 38 / 39 / 40 / 41 / 42 / 43 / 44 / 45
• Category: Marathon / Long Distance Running

The Cloudboom Max — built for every runner, ready for every race.