Asics Gel-Kayano vs Nike Structure
Comparing the current Gel-Kayano 33 and Structure 26. Specs are men's US 9.
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THE SHORT ANSWER
Drop is the real difference: 8 mm on the Gel-Kayano 33 against 10 mm on the Structure 26. Coming off the Structure 26, the Gel-Kayano 33 loads your calves and Achilles harder for the first couple of weeks. Both sit in the same role (stability). The Structure 26 lists $25 lower.
- Asics Gel-Kayano 33Men's at AmazonWomen's
- Nike Structure 26Men's at AmazonWomen's
Availability last checked Jul 30, 2026. Prices and stock change without notice.
Every spec, side by side
| Spec | Gel-Kayano 33 | Structure 26 |
|---|---|---|
| FIT AND WEIGHT | ||
| Weight | 10.5 oz | 10.4 oz |
| Widths | D | D, 2E, 4E |
| Upper | Engineered mesh | Engineered mesh with a heavily padded collar and tongue |
| CUSHIONING GEOMETRY | ||
| Heel stack | 39 mm | 38 mm |
| Forefoot stack | 31 mm | 28 mm |
| Drop | 8 mm | 10 mm |
| MATERIALS | ||
| Midsole | Dual-density stack: FF Blast Max over FF Blast+; FluidSupport medial wedge | Full-length ReactX foam with a Midfoot Support System, no Zoom Air |
| VALUE | ||
| List price at launch | $170 | $145 |
Which line changes its ride more often?
The Gel-Kayano has done it 2 times in 7 versions, most recently with the Gel-Kayano 33 in 2026, and the Structure has done it once in 4 versions, most recently with the Structure 25 in 2023. If you want a shoe you can rebuy without reading a review first, the Structure has the steadier record.
Buy the Gel-Kayano 33
Stocked at AmazonAvailability last checked Jul 28, 2026.
Buy the Structure 26
Stocked at AmazonAvailability last checked Jul 30, 2026.
Chasing a specific older version rather than choosing between the current two? The Asics Gel-Kayano lineage and the Nike Structure lineage track every version and what changed in each update.
Questions runners ask
- Is the Asics Gel-Kayano or the Nike Structure lighter?
- Neither, meaningfully. The Gel-Kayano 33 and the Structure 26 both weigh about 10.5 oz in a men's US 9.
- Can I switch from the Asics Gel-Kayano to the Nike Structure?
- Yes, but ease into it. The drop moves 2 mm (8 mm on the Gel-Kayano 33, 10 mm on the Structure 26), 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 Nike Structure?
- They are close: 39 mm of heel stack on the Gel-Kayano 33 against 38 mm on the Structure 26. Foam matters more than the millimeters here (Dual-density stack: FF Blast Max over FF Blast+; FluidSupport medial wedge against Full-length ReactX foam with a Midfoot Support System, no Zoom Air).
- Which comes in more widths?
- The Structure 26. The Gel-Kayano 33 runs in D for men's sizes; the Structure 26 runs in D, 2E, 4E.
- Which costs more, the Asics Gel-Kayano or the Nike Structure?
- The Gel-Kayano 33, by $25 at list ($170 against $145). That gap narrows once either one gets a successor.
Updated July 30, 2026.