The Adidas Duramo SL 2 and On Cloudflow 5 are both neutral road running shoes with firm, responsive cushioning. The Duramo SL 2 costs about $138 less (from $42).
Specs side by side
| Spec | Duramo SL 2 | Cloudflow 5 |
|---|---|---|
| Price | $42–$53 | $180 |
| Rating | 4.6 / 5 (3,582 reviews) | — |
| Weight | 9.9 oz | 9.8 oz |
| Heel-to-toe drop | 9 mm | 8 mm |
| Heel stack height | 33 mm | — |
| Cushioning | Firm / responsive | Firm / responsive |
| Support | Neutral | Neutral |
| Surface | Road | Road |
| Available for | Men & Women | 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 Duramo SL 2 if…
- you want to spend less
Get the Cloudflow 5 if…
- it fits you better or you like its colors