The Adidas Boost RUN M is a road running shoe and the On Cloudsurfer 2 is a neutral road running shoe. The Boost RUN M costs about $60 less (from $100). The Cloudsurfer 2 is 0.3 oz lighter (9.2 oz vs 9.5 oz).
Specs side by side
| Spec | Boost RUN M | Cloudsurfer 2 |
|---|---|---|
| Price | $100 | $160 |
| Rating | — | 4.1 / 5 (98 reviews) |
| Weight | 9.5 oz | 9.2 oz |
| Heel-to-toe drop | 9 mm | 9 mm |
| Heel stack height | 37 mm | — |
| Cushioning | — | Balanced |
| Support | — | Neutral |
| Surface | Road | Road |
| Available for | Men | Men & Women |
Specs and prices from Adidas and On, checked 2026-10-11. Weight is usually for a men's size 9–10.
Which should you get?
Get the Boost RUN M if…
- you want to spend less
Get the Cloudsurfer 2 if…
- you want the lighter shoe