Which is lighter, the Adidas Adizero Boston 10 or the Adizero Boston 11?

The Adizero Boston 11, by 0.8 oz in a men's US 9 (9.6 oz vs 10.4 oz).

Did the price change between the Adidas Adizero Boston 10 and the Adizero Boston 11?

Yes. List price went up $20, from $140 to $160. Street prices differ: the older shoe usually sells under list once its successor ships.

Do the Adidas Adizero Boston 10 and Adizero Boston 11 come in the same widths?

No. The Adidas Adizero Boston 10 came in D, 2E; the Adizero Boston 11 runs in D. If you need 2E, remaining Adizero Boston 10 stock is your only option in this line.

How do the stack heights compare?

39 mm heel and 31 mm forefoot on the Adidas Adizero Boston 10, against 39.5 mm and 31 mm on the Adizero Boston 11. That is 0.5 mm more under the heel and 0 mm less under the forefoot.

Is the Adizero Boston 11 still the newest Adizero Boston?

No. The Adizero Boston 12 replaced it in 2023, so the Adizero Boston 11 now sells as an older model and usually below its $160 list price.

Adidas Adizero Boston 10 vs Adizero Boston 11

Updated August 11, 2026. Specs are men's US 9.

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Faithful successor

THE SHORT ANSWER

Whichever your size still exists in. The Adizero Boston 10 is discontinued at retail, so remaining pairs sell against a thinning size run, while the Adizero Boston 11 has a full one. The Adizero Boston 10 also lists $20 lower.

Adidas Adizero Boston 10Sizes running outMen's at Amazon Women's
Adidas Adizero Boston 11Sizes running outMen's at Amazon Women's

Availability last checked Aug 11, 2026. Prices and stock change without notice.

Adizero Boston 10 · 2021

Adizero Boston 11 · 2022

Every spec, side by side

Spec	Adizero Boston 10	Adizero Boston 11
FIT AND WEIGHT
Weight	10.4 oz	9.6 oz
	The thinner mesh gave back most of the reboot's weight gain, the 11's one clear win.
Widths	D, 2E	D
Upper	Soft mono mesh with suede overlays	Thin nylon mesh with a stiff, lightly padded heel counter
	The one part of the 10 people liked was the part that changed. Forefoot hold improved, heel lockdown got worse, and testers found it runs half to a full size long yet narrow.
CUSHIONING GEOMETRY
Heel stack	39 mm	39.5 mm
Forefoot stack	31 mm	31 mm
Drop	8 mm	8.5 mm
MATERIALS
Midsole	Lightstrike Pro over firmer Lightstrike EVA	Lightstrike Pro over firmer Lightstrike EVA
Plate	Glass-fiber EnergyRods	Glass-fiber EnergyRods
VALUE
List price at launch	$140	$160
	The second $20 hike in two versions, on a shoe that cost $120 in 2020.

Weighing whether to switch at all, rather than which of these two to buy? What replaced the Adidas Adizero Boston 10 covers the verdict on the update, what loyalists made of it, and the closest alternatives from other brands.

Buy the Adizero Boston 10

Sizes running out

Discontinued at retail. Amazon carries what remains, so treat an in-stock size as a closing window, and expect prices to swing.

Men's: Check remaining stock Women's: Check remaining stock

Availability last checked Aug 11, 2026.

Buy the Adizero Boston 11

Sizes running out

Discontinued at retail. Amazon carries what remains, so treat an in-stock size as a closing window, and expect prices to swing.

Men's: Check remaining stock Women's: Check remaining stock

Availability last checked Aug 11, 2026.

Questions runners ask

Which is lighter, the Adidas Adizero Boston 10 or the Adizero Boston 11?: The Adizero Boston 11, by 0.8 oz in a men's US 9 (9.6 oz vs 10.4 oz).
Did the price change between the Adidas Adizero Boston 10 and the Adizero Boston 11?: Yes. List price went up $20, from $140 to $160. Street prices differ: the older shoe usually sells under list once its successor ships.
Do the Adidas Adizero Boston 10 and Adizero Boston 11 come in the same widths?: No. The Adidas Adizero Boston 10 came in D, 2E; the Adizero Boston 11 runs in D. If you need 2E, remaining Adizero Boston 10 stock is your only option in this line.
How do the stack heights compare?: 39 mm heel and 31 mm forefoot on the Adidas Adizero Boston 10, against 39.5 mm and 31 mm on the Adizero Boston 11. That is 0.5 mm more under the heel and 0 mm less under the forefoot.
Is the Adizero Boston 11 still the newest Adizero Boston?: No. The Adizero Boston 12 replaced it in 2023, so the Adizero Boston 11 now sells as an older model and usually below its $160 list price.