Nike
Air Max 90
Does it run big or small?
True to size; half up if wide feet
Air Max 90
True to size; half up if wide feet
Interactive suggestion based on this model’s fit offset (+0 US). Always confirm with a retailer return policy.
Air Max 90 is a strong TTS Nike reference — owner datasets align it with Jordan 1 and Dunk length, about a half size shorter feel than roomy AF1. Start with your usual Nike size; wide feet commonly half up for mudguard volume.
Nike uses a 1.5-size women’s→men’s US gap (not always 1.5). Convert your women’s US size with this model’s fit offset built in.
Nike Air Max 90 is generally true to size in length for most Nike wearers, with a more accommodating feel than the narrower Air Max 1 for many feet. The visible Air unit and padded upper create a lifestyle fit that usually does not require the AF1 half-size-down habit.
Width is mid-pack: not as skinny as Cortez, not as cavernous as some AF1s. Wide feet may still prefer half up or wide options where sold; narrow feet TTS happily.
Break-in is light — foam and mesh/leather overlays soften quickly. Older deadstock pairs can feel stiffer until flexed.
Versus Air Max 1: AM1 is often called out as narrower; AM90 is the cushier daily option for many. Versus AF1: different length perception — do not copy AF1 downsizing automatically.
Sizing tips: start TTS from your Nike lifestyle size. Between sizes, prefer the larger if you wear thick socks or have wide forefeet. Lace adjustment fine-tunes midfoot lockdown more than size changes alone.
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General reference chart (not brand-official). US_M is this model’s primary system. Interactive tool above adjusts for this model’s fit offset; the table is crawlable reference.
| US | UK | EU | cm |
|---|---|---|---|
| 6 | 5.5 | 39 | 24.0 |
| 6.5 | 6 | 39.5 | 24.5 |
| 7 | 6.5 | 40 | 25.0 |
| 7.5 | 7 | 40.5 | 25.5 |
| 8 | 7.5 | 41 | 26.0 |
| 8.5 | 8 | 42 | 26.5 |
| 9 | 8.5 | 42.5 | 27.0 |
| 9.5 | 9 | 43 | 27.5 |
| 10 | 9.5 | 44 | 28.0 |
| 10.5 | 10 | 44.5 | 28.5 |
| 11 | 10.5 | 45 | 29.0 |
| 11.5 | 11 | 45.5 | 29.5 |
| 12 | 11.5 | 46 | 30.0 |
| 13 | 12.5 | 47.5 | 31.0 |