Is the Asics Gel-Kayano or the Brooks Adrenaline GTS lighter?

Neither, meaningfully. The Gel-Kayano 33 and the Adrenaline GTS 25 both weigh about 10.5 oz in a men's US 9.

Can I switch from the Asics Gel-Kayano to the Brooks Adrenaline GTS?

Yes, but ease into it. The drop moves 2 mm (8 mm on the Gel-Kayano 33, 10 mm on the Adrenaline GTS 25), which changes where your foot loads at landing. Give it two weeks of easy running before a hard session.

Which is more cushioned, the Asics Gel-Kayano or the Brooks Adrenaline GTS?

The Gel-Kayano 33, on stack height: 39 mm under the heel against 37 mm. Stack is not the whole story, though; the foams differ too.

Which comes in more widths?

The Adrenaline GTS 25. The Gel-Kayano 33 runs in D for men's sizes; the Adrenaline GTS 25 runs in B, D, 2E, 4E.

Which costs more, the Asics Gel-Kayano or the Brooks Adrenaline GTS?

The Gel-Kayano 33, by $25 at list ($170 against $145). That gap narrows once either one gets a successor.

Asics Gel-Kayano vs Brooks Adrenaline GTS

Comparing the current Gel-Kayano 33 and Adrenaline GTS 25. Specs are men's US 9.

Amazon links on this page pay us a commission. It never changes your price. Details

THE SHORT ANSWER

Drop is the real difference: 8 mm on the Gel-Kayano 33 against 10 mm on the Adrenaline GTS 25. Coming off the Adrenaline GTS 25, the Gel-Kayano 33 loads your calves and Achilles harder for the first couple of weeks. Both sit in the same role (stability). The Adrenaline GTS 25 lists $25 lower.

Asics Gel-Kayano 33Men's at Amazon Women's
Brooks Adrenaline GTS 25Men's at Amazon Women's

Availability last checked Jul 29, 2026. Prices and stock change without notice.

Gel-Kayano 33 · 2026

Adrenaline GTS 25 · 2025

Every spec, side by side

Spec	Gel-Kayano 33	Adrenaline GTS 25
FIT AND WEIGHT
Weight	10.5 oz	10.6 oz
Widths	D	B, D, 2E, 4E
Upper	Engineered mesh	Knit-like engineered mesh with a thick padded collar and gusseted tongue
CUSHIONING GEOMETRY
Heel stack	39 mm	37 mm
Forefoot stack	31 mm	27 mm
Drop	8 mm	10 mm
MATERIALS
Midsole	Dual-density stack: FF Blast Max over FF Blast+; FluidSupport medial wedge	Nitrogen-infused DNA Loft v3, tuned softer than the 24
VALUE
List price at launch	$170	$145

Which line changes its ride more often?

Both lines rework the ride about as often: the Gel-Kayano has done it 2 times in 7 versions, most recently with the Gel-Kayano 33 in 2026, and the Adrenaline GTS has done it 2 times in 6 versions, most recently with the Adrenaline GTS 25 in 2025. Neither is the safer long-term rebuy on this record.

Buy the Gel-Kayano 33

Stocked at Amazon

Men's: Check price at Amazon Women's: Check price at Amazon

Availability last checked Jul 28, 2026.

Buy the Adrenaline GTS 25

Stocked at Amazon

Men's: Check price at Amazon Women's: Check price at Amazon

Availability last checked Jul 29, 2026.

Chasing a specific older version rather than choosing between the current two? The Asics Gel-Kayano lineage and the Brooks Adrenaline GTS lineage track every version and what changed in each update.

Questions runners ask

Is the Asics Gel-Kayano or the Brooks Adrenaline GTS lighter?: Neither, meaningfully. The Gel-Kayano 33 and the Adrenaline GTS 25 both weigh about 10.5 oz in a men's US 9.
Can I switch from the Asics Gel-Kayano to the Brooks Adrenaline GTS?: Yes, but ease into it. The drop moves 2 mm (8 mm on the Gel-Kayano 33, 10 mm on the Adrenaline GTS 25), which changes where your foot loads at landing. Give it two weeks of easy running before a hard session.
Which is more cushioned, the Asics Gel-Kayano or the Brooks Adrenaline GTS?: The Gel-Kayano 33, on stack height: 39 mm under the heel against 37 mm. Stack is not the whole story, though; the foams differ too.
Which comes in more widths?: The Adrenaline GTS 25. The Gel-Kayano 33 runs in D for men's sizes; the Adrenaline GTS 25 runs in B, D, 2E, 4E.
Which costs more, the Asics Gel-Kayano or the Brooks Adrenaline GTS?: The Gel-Kayano 33, by $25 at list ($170 against $145). That gap narrows once either one gets a successor.

Updated July 29, 2026.