Adidas Adizero Boston 12 vs Adizero Boston 13
Updated September 10, 2026. Specs are men's US 9.
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Refined, same shoe
THE SHORT ANSWER
Both are still stocked, so this is a real choice: the Adizero Boston 13 is the lighter shoe by 0.2 oz, and older models usually sell under list once a successor ships.
- Adidas Adizero Boston 12Women's
- Adidas Adizero Boston 13Men's at AmazonWomen's
Availability last checked Sep 10, 2026. Prices and stock change without notice.
Every spec, side by side
| Spec | Adizero Boston 12 | Adizero Boston 13 |
|---|---|---|
| FIT AND WEIGHT | ||
| Weight | 9.2 oz | 9 oz |
| Widths | D | D |
| Upper | Engineered mesh with a thin tongue | Engineered mesh with a padded tongue and Achilles collar |
| A direct answer to the 12's heel-irritation complaints. | ||
| CUSHIONING GEOMETRY | ||
| Heel stack | 37 mm | 36 mm |
| Forefoot stack | 30.5 mm | 30 mm |
| Drop | 6.5 mm | 6 mm |
| MATERIALS | ||
| Midsole | Lightstrike Pro over softer Lightstrike 2.0 EVA | Lightstrike Pro (13.8% more than the 12) over Lightstrike 2.0 EVA |
| Adidas's own figure. The extra Pro sits in the forefoot and along the lateral side, and testers read it as a slightly softer, more flexible forefoot. | ||
| Plate | EnergyRods 2.0 | EnergyRods 2.0 |
| VALUE | ||
| List price at launch | $160 | $160 |
| OTHER CHANGES | ||
| Outsole | Continental rubber | Continental plus LightTraxion rubber |
Weighing whether to switch at all, rather than which of these two to buy? What replaced the Adidas Adizero Boston 12 covers the verdict on the update, what loyalists made of it, and the closest alternatives from other brands.
Buy the Adizero Boston 12
Stocked at AmazonMen's stock is gone.
Women's: Check price at AmazonAvailability last checked Sep 10, 2026.
Buy the Adizero Boston 13
Stocked at AmazonAvailability last checked Aug 11, 2026.
Questions runners ask
- Which is lighter, the Adidas Adizero Boston 12 or the Adizero Boston 13?
- The Adizero Boston 13, by 0.2 oz in a men's US 9 (9 oz vs 9.2 oz).
- Do the Adidas Adizero Boston 12 and Adizero Boston 13 come in the same widths?
- Yes. Both run in D for men's sizes, so a width that fit in the Adizero Boston 12 carries over to the Adizero Boston 13.
- How do the stack heights compare?
- 37 mm heel and 30.5 mm forefoot on the Adidas Adizero Boston 12, against 36 mm and 30 mm on the Adizero Boston 13. That is 1 mm less under the heel and 0.5 mm less under the forefoot.
- Is the Adizero Boston 13 still the newest Adizero Boston?
- Yes. The Adizero Boston 13 is the current Adidas Adizero Boston, listing at $160 at launch.