The Adidas Adizero Boston 12 is a neutral road running shoe and the Nike Zoom Fly 6 is a road running shoe. The Adizero Boston 12 costs about $100 less (from $80).
Specs side by side
| Spec | Adizero Boston 12 | Zoom Fly 6 |
|---|---|---|
| Price | $80 | $180–$190 |
| Rating | 4.6 / 5 (2,569 reviews) | 4.7 / 5 (314 reviews) |
| Weight | 9.2 oz | 9.3 oz |
| Heel-to-toe drop | 7 mm | 8 mm |
| Heel stack height | 38 mm | — |
| Cushioning | Firm / responsive | — |
| Support | Neutral | — |
| Surface | Road | Road |
| Available for | Men & Women | Men & Women |
Specs and prices from Adidas and Nike, checked 2026-10-11. Weight is usually for a men's size 9–10.
Which should you get?
Get the Adizero Boston 12 if…
- you want to spend less
Get the Zoom Fly 6 if…
- it fits you better or you like its colors
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