Invincible v4
Width options: standard, wide (Men's) / standard, wide (Women's)
Imported family signal
9 of 12 runners said this shoe fit true to size.
Sizing vs. popular reference shoes
| If you wear | Length | Width | Toebox | Reports |
|---|---|---|---|---|
Adidas Ultraboost 24 (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 |
New Balance Fresh Foam 1080 11 (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 SuperComp Trainer 3 (Women's) 8.5100% 1 of 1 runners landed on 8.5 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 8.5-8.5 |
Nike Pegasus 42 (Women's) 7.5100% 1 of 1 runners landed on 7.5 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 7.5-7.5 |
Nike React Infinity Run 4 (Women's) 10.5100% 1 of 1 runners landed on 10.5 (0.5 weighted). | True to size | True to width | Cramped toebox | Early reportsEarly Based on 1 reportUS 10.5-10.5 |
Nike Vaporfly 2 (Women's) 10.5100% 1 of 1 runners landed on 10.5 (0.5 weighted). | True to size | True to width | Cramped toebox | Early reportsEarly Based on 1 reportUS 10.5-10.5 |
Puma Velocity Nitro 2 (Women's) UK 9100% 1 of 1 runners landed on UK 9 (0.5 weighted). | True to size | True to width | Good room | Early reportsEarly Based on 1 reportUS 9-9 |
Saucony Endorphin Speed 3 (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 |
Saucony Triumph 22 (Women's) 8100% 1 of 1 runners landed on 8 (0.5 weighted). | True to size | Slightly wide | Good room | Early reportsEarly Based on 1 reportUS 8-8 |
Asics Novablast 5 (Women's) 8.5100% 1 of 1 runners landed on 8.5 (0.4 weighted). | Some go half size down | True to width | Good room | Early reportsEarly Based on 1 reportUS 8.5-8.5 |
Nike Pegasus 39 (Women's) 7.5100% 1 of 1 runners landed on 7.5 (0.4 weighted). | Some go half size down | True to width | Roomy toebox | Early reportsEarly Based on 1 reportUS 7.5-7.5 |
Nike Pegasus 40 (Women's) 8.5100% 1 of 1 runners landed on 8.5 (0.4 weighted). | Consider sizing up 0.5 | True to width | Good room | Early reportsEarly Based on 1 reportUS 8.5-8.5 |
1 of 1 runners landed on 9 (0.5 weighted).
1 of 1 runners landed on 10.5 (0.5 weighted).
1 of 1 runners landed on 8.5 (0.5 weighted).
1 of 1 runners landed on 7.5 (0.5 weighted).
1 of 1 runners landed on 10.5 (0.5 weighted).
1 of 1 runners landed on 10.5 (0.5 weighted).
1 of 1 runners landed on UK 9 (0.5 weighted).
1 of 1 runners landed on 10.5 (0.5 weighted).
1 of 1 runners landed on 8 (0.5 weighted).
1 of 1 runners landed on 8.5 (0.4 weighted).
1 of 1 runners landed on 7.5 (0.4 weighted).
1 of 1 runners landed on 8.5 (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 |
|---|---|---|---|---|---|
Asics Novablast 5 (Women's) Size 8.5 | 8.5 | Slightly longTrue to width | Novablast 2 is slightly longer than ZoomX Invincibles at same size, difference about 1/4 inch | [gender: female/inferred] | [source: /r/RunningShoeGeeks/comments/pstadc/novablast_2_should_i_size_down/] | No issues | Mar 2026 |
Nike Vaporfly 2 (Women's) Size 11 | 10.5 | True to sizeTrue to width | half size down from Next% 2 | [gender: male/inferred] | [source: /r/RunningShoeGeeks/comments/11tumb4/nike_invincible_3_sizing/] | No issues | Mar 2026 |
Saucony Endorphin Speed 3 (Women's) Size 11 | 10.5 | True to sizeTrue to width | Nike Invincible 2 true to size; Endorphin Speed 3 runs a size up compared to Nike | [gender: male/inferred] | [source: /r/RunningShoeGeeks/comments/z4oy5v/nike_invincible_2_sizing/] | No issues | Mar 2026 |
Nike React Infinity Run 4 (Women's) Size 11 | 10.5 | True to sizeTrue to width | half size down from React | [ambiguity: React model not fully specified] | [gender: male/inferred] | [source: /r/RunningShoeGeeks/comments/11tumb4/nike_invincible_3_sizing/] | No issues | Mar 2026 |
Nike Pegasus 42 (Women's) Size 7.5 | 7.5 | True to sizeTrue to width | true to size | [ambiguity: Commenter u_5cfd93ded877 states Invincible TTS; reference shoe size inferred from post context] | [gender: male/inferred] | [source: /r/RunningShoeGeeks/comments/u9i5d5/streakfly_vs_react_infinity_flyknit/] | No issues | Mar 2026 |
Puma Velocity Nitro 2 (Women's) Size UK 9 | UK 9 | True to sizeTrue to width | Same size UK 9, very cushioned but heavy | [gender: male/explicit] | [source: /r/RunningShoeGeeks/comments/13ge66o/recent_first_time_marathoner_multiple_shoe_review/] | No issues | Mar 2026 |
New Balance Fresh Foam 1080 11 (Women's) Size 10.5 | 10.5 | True to sizeTrue to width | true to size in Nike ZoomX Invincible | [gender: male/inferred] | [source: /r/RunningShoeGeeks/comments/py4ble/super_shoes_for_decidedly_nonsuper_feet_your/] | No issues | Mar 2026 |
Nike Pegasus 39 (Women's) Size 8 | 7.5 | Slightly longTrue to width | Invincible 2 runs spacious, would size down half size from Peg 39 | [ambiguity: Commenter states they would go half size down but did not actually purchase that size; inferred size based on stated preference [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/yk0hco/nike_zoomx_invincible_2_sizing/] | No issues | Mar 2026 |
Adidas Ultraboost 24 (Women's) Size 8.5 | 9 | True to sizeTrue to width | size up from Ultraboost 8.5 to Nike Invincible III 9 | [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/12744im/nike_invincible_3_sizing/] | No issues | Mar 2026 |
Nike Pegasus 40 (Women's) Size 9 | 8.5 | Slightly shortTrue to width | Pegasus 38-40 are true to size in 9, Invincible 2 was 8.5 | [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/19fc133/does_anyone_else_feel_nike_has_inconsistent_sizing/] | No issues | Mar 2026 |
Novablast 2 is slightly longer than ZoomX Invincibles at same size, difference about 1/4 inch | [gender: female/inferred] | [source: /r/RunningShoeGeeks/comments/pstadc/novablast_2_should_i_size_down/]
half size down from Next% 2 | [gender: male/inferred] | [source: /r/RunningShoeGeeks/comments/11tumb4/nike_invincible_3_sizing/]
Nike Invincible 2 true to size; Endorphin Speed 3 runs a size up compared to Nike | [gender: male/inferred] | [source: /r/RunningShoeGeeks/comments/z4oy5v/nike_invincible_2_sizing/]
half size down from React | [ambiguity: React model not fully specified] | [gender: male/inferred] | [source: /r/RunningShoeGeeks/comments/11tumb4/nike_invincible_3_sizing/]
true to size | [ambiguity: Commenter u_5cfd93ded877 states Invincible TTS; reference shoe size inferred from post context] | [gender: male/inferred] | [source: /r/RunningShoeGeeks/comments/u9i5d5/streakfly_vs_react_infinity_flyknit/]
Same size UK 9, very cushioned but heavy | [gender: male/explicit] | [source: /r/RunningShoeGeeks/comments/13ge66o/recent_first_time_marathoner_multiple_shoe_review/]
true to size in Nike ZoomX Invincible | [gender: male/inferred] | [source: /r/RunningShoeGeeks/comments/py4ble/super_shoes_for_decidedly_nonsuper_feet_your/]
Invincible 2 runs spacious, would size down half size from Peg 39 | [ambiguity: Commenter states they would go half size down but did not actually purchase that size; inferred size based on stated preference [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/yk0hco/nike_zoomx_invincible_2_sizing/]
size up from Ultraboost 8.5 to Nike Invincible III 9 | [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/12744im/nike_invincible_3_sizing/]
Pegasus 38-40 are true to size in 9, Invincible 2 was 8.5 | [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/19fc133/does_anyone_else_feel_nike_has_inconsistent_sizing/]
Compare with popular shoes
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