Air Zoom Structure v26
Width options: standard, wide (Men's) / standard, wide (Women's)
Imported family signal
10 of 13 runners said this shoe fit true to size.
Sizing vs. popular reference shoes
| If you wear | Length | Width | Toebox | Reports |
|---|---|---|---|---|
Adidas Adizero Adios Pro 3 (Women's) 9100% 1 of 1 runners landed on 9 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 9-9 |
Adidas Adizero Takumi Sen 8 (Women's) 8100% 1 of 1 runners landed on 8 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 8-8 |
Asics Gel-Nimbus 27 (Women's) 9100% 1 of 1 runners landed on 9 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 9-9 |
Asics Novablast 5 (Women's) 11100% 1 of 1 runners landed on 11 (0.5 weighted). | True to size | True to width | Roomy toebox | Early reportsEarly Based on 1 reportUS 11-11 |
Brooks Ghost 16 (Women's) 11.5100% 1 of 1 runners landed on 11.5 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 11.5-11.5 |
New Balance Fresh Foam 1080 13 (Women's) 11100% 1 of 1 runners landed on 11 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 11-11 |
New Balance Fresh Foam 860 13 (Women's) 10.5100% 1 of 1 runners landed on 10.5 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 10.5-10.5 |
New Balance FuelCell Rebel 4 (Women's) 7 wide100% 1 of 1 runners landed on 7 wide (0.5 weighted). | True to size | Slightly wide | Roomy toebox | Early reportsEarly Based on 1 reportUS 7-7 |
Nike Pegasus 39 (Women's) 10100% 1 of 1 runners landed on 10 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 10-10 |
Puma Velocity Nitro 2 (Women's) UK 9100% 1 of 1 runners landed on UK 9 (0.5 weighted). | True to size | Slightly narrow | Snug toebox | Early reportsEarly Based on 1 reportUS 9-9 |
Nike Invincible 4 (Women's) 9100% 1 of 1 runners landed on 9 (0.4 weighted). | Some go half size down | True to width | Good room | Early reportsEarly Based on 1 reportUS 9-9 |
Saucony Endorphin Speed 4 (Women's) 9100% 1 of 1 runners landed on 9 (0.4 weighted). | Some go half size down | True to width | Good room | Early reportsEarly Based on 1 reportUS 9-9 |
Nike Pegasus 42 (Women's) 8100% 1 of 1 runners landed on 8 (0.4 weighted). | Size down 0.5 | Very narrow | Good room | Early reportsEarly Based on 1 reportUS 8-8 |
1 of 1 runners landed on 9 (0.5 weighted).
1 of 1 runners landed on 8 (0.5 weighted).
1 of 1 runners landed on 9 (0.5 weighted).
1 of 1 runners landed on 11 (0.5 weighted).
1 of 1 runners landed on 11.5 (0.5 weighted).
1 of 1 runners landed on 11 (0.5 weighted).
1 of 1 runners landed on 10.5 (0.5 weighted).
1 of 1 runners landed on 7 wide (0.5 weighted).
1 of 1 runners landed on 10 (0.5 weighted).
1 of 1 runners landed on UK 9 (0.5 weighted).
1 of 1 runners landed on 9 (0.4 weighted).
1 of 1 runners landed on 9 (0.4 weighted).
1 of 1 runners landed on 8 (0.4 weighted).
Community reports
Across the full report set, this many called the shoe true to size.
Reports with extra written context about what runners actually felt.
Signals for hotspots, blisters, or other pain points across the full report set.
| Came from | Bought | Verdict | Runner note | Issues | When |
|---|---|---|---|---|---|
Nike Pegasus 39 (Women's) Size 10 | 10 | True to sizeTrue to width | commenter wears Nike Streakfly in US10, same size as Pegasus 38 | [ambiguity: Commenter lists multiple shoes but does not explicitly state fit comparison. Extracted using POST context (Pegasus 38 size 10) as reference. Same size suggests true to size.] | [gender: male/explicit] | [source: /r/RunningShoeGeeks/comments/vt7e7e/should_running_shoes_have_a_tight_fit_or_a_little/] | No issues | Mar 2026 |
Asics Gel-Nimbus 27 (Women's) Size 9 | 9 | True to sizeTrue to width | dragonfly sizing compared to Nimbus 23 | [ambiguity: Thread context: poster wears size 9 in multiple shoes including Nimbus 23; commenter discusses Dragonfly fit relative to poster's current rotation] | [gender: male/inferred] | [source: /r/RunningShoeGeeks/comments/re6s0w/nike_dragonfly_sizing/] | Blisters (toes) | Mar 2026 |
Adidas Adizero Adios Pro 3 (Women's) Size 9 | 9 | True to sizeTrue to width | size 9 for essentially all shoes including Dragonfly | [ambiguity: [gender_uncertain: poster gender could not be reliably determined]] | [gender: unknown/unresolved — flagged for review] | [gender_confidence: uncertain — verify sizing_system] | [source: /r/RunningShoeGeeks/comments/1dn4d0g/ap3_first_impressions/] | No issues | Mar 2026 |
Brooks Ghost 16 (Women's) Size 11.5 | 11.5 | True to sizeTrue to width | Vomero 18 fits perfectly TTS, feels more bouncy and squishy than Ghost 16 | [gender: male/inferred] | [source: /r/RunningShoeGeeks/comments/1naa7zt/vomero_18_first_run_thoughts/] | No issues | Mar 2026 |
Nike Invincible 4 (Women's) Size 9.5 | 9 | Slightly longTrue to width | half size down from Invincible; felt long and big | [gender: male/inferred] | [source: /r/RunningShoeGeeks/comments/u9i5d5/streakfly_vs_react_infinity_flyknit/] | No issues | Mar 2026 |
New Balance Fresh Foam 860 13 (Women's) Size 10.5 | 10.5 | True to sizeTrue to width | disappointing, ZoomX foam has too much give without plate, Takumi Sens more satisfying for speedwork | [gender: male/explicit] | [source: /r/RunningShoeGeeks/comments/16ok384/finally_settled_on_a_shoe_rotation/] | No issues | Mar 2026 |
Puma Velocity Nitro 2 (Women's) Size UK 9 | UK 9 | True to sizeSlightly narrow | Same size UK 9, tight fit for racing | [gender: male/explicit] | [source: /r/RunningShoeGeeks/comments/13ge66o/recent_first_time_marathoner_multiple_shoe_review/] | No issues | Mar 2026 |
New Balance FuelCell Rebel 4 (Women's) Size 7 wide | 7 wide | True to sizeSlightly wide | Nike Winflo 11 in 7 wide is much more generous in toebox and width than NB Rebel V4 in 7 wide | [ambiguity: [gender_uncertain: poster gender could not be reliably determined]] | [gender: unknown/unresolved — flagged for review] | [gender_confidence: uncertain — verify sizing_system] | [source: /r/RunningShoeGeeks/comments/1d9evpt/new_balance_fuel_cell_rebel_v4_beware_of_sizing/] | No issues | Mar 2026 |
New Balance Fresh Foam 1080 13 (Women's) Size unknown | 11 | True to sizeTrue to width | Vomero 18 in size 11 fits well without needing extra width, despite traditionally needing 2E in New Balance shoes. | [ambiguity: Reference shoe (1080v14) size not stated, but target shoe (Vomero 18) size 11 is explicit. Comparison is about width accommodation rather than direct size offset.] | [gender: male/explicit] | [source: /r/RunningShoeGeeks/comments/1r1o54a/nike_vomero_18_review_after_162_km_hm/] | No issues | Mar 2026 |
Asics Novablast 5 (Women's) Size unknown | 11 | True to sizeTrue to width | Vomero 18 in size 11 feels roomy and good, with plenty of room in front, snug heel, good lacing and padded tongue. Did not need extra width despite traditionally needing 2E in New Balance. | [ambiguity: Reference shoe (Novablast 5) size not explicitly stated in post, but target shoe (Vomero 18) size 11 is explicit. Comparison is qualitative fit assessment rather than direct size offset.] | [gender: male/explicit] | [source: /r/RunningShoeGeeks/comments/1r1o54a/nike_vomero_18_review_after_162_km_hm/] | No issues | Mar 2026 |
commenter wears Nike Streakfly in US10, same size as Pegasus 38 | [ambiguity: Commenter lists multiple shoes but does not explicitly state fit comparison. Extracted using POST context (Pegasus 38 size 10) as reference. Same size suggests true to size.] | [gender: male/explicit] | [source: /r/RunningShoeGeeks/comments/vt7e7e/should_running_shoes_have_a_tight_fit_or_a_little/]
dragonfly sizing compared to Nimbus 23 | [ambiguity: Thread context: poster wears size 9 in multiple shoes including Nimbus 23; commenter discusses Dragonfly fit relative to poster's current rotation] | [gender: male/inferred] | [source: /r/RunningShoeGeeks/comments/re6s0w/nike_dragonfly_sizing/]
size 9 for essentially all shoes including Dragonfly | [ambiguity: [gender_uncertain: poster gender could not be reliably determined]] | [gender: unknown/unresolved — flagged for review] | [gender_confidence: uncertain — verify sizing_system] | [source: /r/RunningShoeGeeks/comments/1dn4d0g/ap3_first_impressions/]
Vomero 18 fits perfectly TTS, feels more bouncy and squishy than Ghost 16 | [gender: male/inferred] | [source: /r/RunningShoeGeeks/comments/1naa7zt/vomero_18_first_run_thoughts/]
half size down from Invincible; felt long and big | [gender: male/inferred] | [source: /r/RunningShoeGeeks/comments/u9i5d5/streakfly_vs_react_infinity_flyknit/]
disappointing, ZoomX foam has too much give without plate, Takumi Sens more satisfying for speedwork | [gender: male/explicit] | [source: /r/RunningShoeGeeks/comments/16ok384/finally_settled_on_a_shoe_rotation/]
Same size UK 9, tight fit for racing | [gender: male/explicit] | [source: /r/RunningShoeGeeks/comments/13ge66o/recent_first_time_marathoner_multiple_shoe_review/]
Nike Winflo 11 in 7 wide is much more generous in toebox and width than NB Rebel V4 in 7 wide | [ambiguity: [gender_uncertain: poster gender could not be reliably determined]] | [gender: unknown/unresolved — flagged for review] | [gender_confidence: uncertain — verify sizing_system] | [source: /r/RunningShoeGeeks/comments/1d9evpt/new_balance_fuel_cell_rebel_v4_beware_of_sizing/]
Vomero 18 in size 11 fits well without needing extra width, despite traditionally needing 2E in New Balance shoes. | [ambiguity: Reference shoe (1080v14) size not stated, but target shoe (Vomero 18) size 11 is explicit. Comparison is about width accommodation rather than direct size offset.] | [gender: male/explicit] | [source: /r/RunningShoeGeeks/comments/1r1o54a/nike_vomero_18_review_after_162_km_hm/]
Vomero 18 in size 11 feels roomy and good, with plenty of room in front, snug heel, good lacing and padded tongue. Did not need extra width despite traditionally needing 2E in New Balance. | [ambiguity: Reference shoe (Novablast 5) size not explicitly stated in post, but target shoe (Vomero 18) size 11 is explicit. Comparison is qualitative fit assessment rather than direct size offset.] | [gender: male/explicit] | [source: /r/RunningShoeGeeks/comments/1r1o54a/nike_vomero_18_review_after_162_km_hm/]
Compare with popular shoes
See how the Nike Air Zoom Structure (Men's) fits side-by-side with shoes runners know well.
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