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Both are Nike models, but lasts differ. Dunk Low is labeled True to Size (True to size; half up if wide). Blazer Mid '77 is Runs Narrow (True to size length; half up if wide).
Dunk Low is a common TTS Nike reference — closer and more tapered than Air Force 1. Average feet take their usual size; wide feet may prefer half up. Do not copy an AF1 size-down into Dunks without checking.
Nike Blazer Mid ’77 matches Nike length at true size, but the structured forefoot is narrower than Air Force 1. Average/narrow feet stay TTS; wide feet should half up rather than copying an AF1 size-down.
Use the table below as a starting point from fit offsets — then confirm with try-on or returns. Width can matter more than length between these two.
| Dunk Low | Blazer Mid '77 | |
|---|---|---|
| Verdict | True to Size | Runs Narrow |
| Advice | True to size; half up if wide | True to size length; half up if wide |
| Width | More tapered than AF1 — can feel snug in toebox | Structured midfoot/toebox narrower than AF1 — lab width below average |
| Break-in | Minimal | Leather softens; mid collar break-in |
| Fit offset | +0 | +0 |
| Confidence | high | high |
If the left model fits at the listed size, start here in the right model (chart + fit offsets).
| If Dunk Low fits | Try Blazer Mid '77 | Note |
|---|---|---|
| US 7 | US 7 | offset +0 |
| US 7.5 | US 7.5 | offset +0 |
| US 8 | US 8 | offset +0 |
| US 8.5 | US 8.5 | offset +0 |
| US 9 | US 9 | offset +0 |
| US 9.5 | US 9.5 | offset +0 |
| US 10 | US 10 | offset +0 |
| US 10.5 | US 10.5 | offset +0 |
| US 11 | US 11 | offset +0 |
| US 12 | US 12 | offset +0 |
Check prices: Dunk Low Blazer Mid '77 (paid link)
Full Dunk Low guide · Full Blazer Mid '77 guide · Reverse compare · Open in converter