Nike Air Max 98 fits in the same number as Air Jordan 1, Air Max 90, Air Max 97, Nike Dunk Low, and adidas YEEZY Boost 350 V2 — but about half a size smaller in number than Air Force 1 and adidas Superstar. At offset +0.392, AM98 sits in the AJ1/AM90 cluster alongside AM97 (+0.355) and YEEZY 350 V2 (+0.476). Based on 117 owner-reported pairs in the Feetlot database: if your reference is AJ1 or AM90, order the same size. If your reference is AF1 or Superstar, size up half.
Nike Air Max 98 Sizing — What 117 Pairs in the Feetlot Database Tell Us
The Nike Air Max 98 is among the most-tracked classic Air Max models in the Feetlot database. Across 117 owner-reported pairs, the residual variance is tight (standard deviation ≈ 0.25 size units). At offset +0.392, AM98 rounds to "same" as AJ1 (+0.217), AM90 (+0.314), AM97 (+0.355), Dunk Low (+0.275), Nike Vapormax Plus (+0.343), ASICS GT-2170 (+0.351), adidas Ultraboost 19 (+0.281), and adidas YEEZY Boost 350 V2 (+0.476) at 0.5 increments. AF1 (0.000) rounds to half a size smaller in number; adidas Superstar (−0.065) also rounds to half a size smaller in number than AM98.
The AM98's full-length Air cushioning and leather upper place it firmly in the AJ1/AM90 cluster. Like AM97 and the Vapormax Plus, AM98 runs about half a step smaller in number than the AF1/Superstar baseline — a difference that matters when crossing between classic Nike and adidas casual shoes.
Should You Size Up in Nike Air Max 98?
Coming from AF1, adidas Superstar, or Stan Smith
Size up half. AF1, Superstar, and Stan Smith run about half a size smaller in number than AM98. If you wear AF1 in 10 or Superstar in 10, take AM98 in 10.5.
Coming from AJ1, AM90, AM97, or Dunk Low
Same size. AJ1, AM90, AM97, and Dunk Low all round to the same size as AM98 in 0.5 increments. No adjustment needed.
Coming from YEEZY Boost 350 V2 or Air Vapormax Plus
Same size. YEEZY 350 V2 (+0.476) and Vapormax Plus (+0.343) both round to the same size as AM98. Same number in all three.
How Nike Air Max 98 Compares to Other Sneakers
The Nike Air Max 98 fits at the same numerical size as Air Jordan 1, Air Jordan 4, Nike Air Max 90, Air Max 97, Nike Dunk Low, Nike Dunk High, Nike Air Vapormax Plus, Nike Zoom Fly 3, ASICS GT-2170, adidas Ultraboost 19, and adidas YEEZY Boost 350 V2. According to Feetlot data, all of these round to the same size in 0.5 increments.
The shoes that run smaller in number than AM98 — size up half: Nike Air Force 1, adidas Superstar, adidas Stan Smith, adidas NMD R1, Vans Old Skool, New Balance 574, and New Balance 530. If you wear AF1 or Superstar in 10, take AM98 in 10.5.
Sign in to Feetlot and add a few of your other sneakers to get a personal AM98 size recommendation.
Nike Air Max 98 Size Chart (US / EU / UK)
| US Men's | US Women's | UK | EU |
|---|---|---|---|
| 6 | 7.5 | 5 | 38.5 |
| 6.5 | 8 | 5.5 | 39 |
| 7 | 8.5 | 6 | 40 |
| 7.5 | 9 | 6.5 | 40.5 |
| 8 | 9.5 | 7 | 41 |
| 8.5 | 10 | 7.5 | 42 |
| 9 | 10.5 | 8 | 42.5 |
| 9.5 | 11 | 8.5 | 43 |
| 10 | 11.5 | 9 | 44 |
| 10.5 | 12 | 9.5 | 44.5 |
| 11 | 12.5 | 10 | 45 |
| 12 | 13.5 | 11 | 46 |
| 13 | 14.5 | 12 | 47.5 |
Common Sizing Mistakes
- Ordering AM98 in your AF1 or Superstar size. Both run about half a size smaller in number. If you wear AF1 or Superstar in 10, take AM98 in 10.5.
- Assuming AM98 fits differently than AM90 or AM97. AM98, AM90, and AM97 all round to the same size in the Feetlot model. Same number in all three Air Max models.
How Feetlot Computes These Numbers
Every Nike Air Max 98 sizing recommendation on Feetlot is the output of a global offset model fit to over 100,000 owner-reported shoe records. Each shoe gets a single number — its "size offset" — that captures how its sizing drifts relative to a reference shoe (the Nike Air Force 1). The result: sizing advice that holds up no matter how unusual a wardrobe is.