The Adidas Hyperboost ATR M is a neutral running shoe and the On Cloudsurfer Max Erewhon is a neutral road running shoe with maximum cushioning. The Hyperboost ATR M costs about $20 less (from $180). The Cloudsurfer Max Erewhon is 0.4 oz lighter (9.2 oz vs 9.6 oz).
Bottom line: Pick the Hyperboost ATR M if you want to spend less; pick the Cloudsurfer Max Erewhon if you want the lighter shoe.
Specs side by side
| Spec | Hyperboost ATR M | Cloudsurfer Max Erewhon |
|---|---|---|
| Price | $180 | $200 |
| Rating | 4.7 / 5 (6 reviews) | 4.2 / 5 (47 reviews of the Cloudsurfer Max) |
| Weight | 9.6 oz | 9.2 oz |
| Heel-to-toe drop | 6 mm | 6 mm |
| Heel stack height | 39 mm | — |
| Cushioning | Max Cushioning | Max Cushioning |
| Support | Neutral | Neutral |
| Surface | — | Road |
| Available for | Men | Women |
Specs and prices from Adidas and On, checked 2026-11-02. Weight is usually for a men's size 9–10.
Which should you get?
Get the Hyperboost ATR M if…
- you want to spend less
Get the Cloudsurfer Max Erewhon if…
- you want the lighter shoe
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