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Nike Air Max 90
Sizing & fit guide

Our verdict
True to size
The Nike Air Max 90 fits true to size — it's one of the most consistently true-to-size Nike silhouettes. The toe box is roomy and accommodating; standard and wide feet are comfortable at true size, and a half up is only for those wanting extra space.
High confidence

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Why the Nike Air Max 90 fits this way

The Air Max 90 has the strongest, cleanest true-to-size consensus of the Air Max line. Long-time wearers state it plainly: "Never had an AM90 or AM III that wasn't true to size," and "TTS for me. They're a little snug at first but wear in quick." The 90 is widely regarded as one of Nike's most accommodating lifestyle silhouettes — the toe box is roomy and the fit forgiving.

There is a modest half-up contingent — "I half size up on all Air Max 90" — but the same threads push back when it tips toward a full size: "I'm an 11 with slightly wide feet, I wear 11 comfortably. A full size up would be too big." So the ½ up is a personal-preference / wide-foot move for extra room, not a correction for the shoe running small. The AM90 is roomy enough that even wide feet are generally fine at true size.

Cross-model, the AM90 is a reliable sizing anchor: wearers who are TTS in the AM90 report the same number in the AM1 and across retro Jordans. Net: true to size. The fit is roomy and the verdict is high-confidence — only size up a half if you specifically want a looser feel.

Common scenarios

I wear US 10 in retro Jordans. What size Air Max 90?

US 10 — the AM90 fits true to size and is one of the most reliable Nike silhouettes for it.

I have wide feet. Do I need to size up?

Usually not — the AM90 toe box is roomy and accommodating, so wide feet are typically comfortable at true size. Size up ½ only if you want extra space.

Does the AM90 fit like the Air Max 1?

Both true to size, but the AM90 toe box is roomier; the AM1 reads a touch snugger at the same size.

How it compares to other models

  • Nike Air Max 1 Medium confidence

    Both true to size; the AM90 toe box is roomier than the snugger AM1

  • Nike Air Max 97 Low confidence

    The AM90 is roomy/TTS where the AM97 runs ½ small with a tight toe box

  • Air Jordan 1 High Low confidence

    Same true size; wearers anchor retro-Jordan and AM90 sizing to the same number

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