New Balance 990 Sizing: Run Big or Small?
Add the shoes you already own and Feetlot predicts your size in the New Balance 990 and 2,000+ others, from 100,000+ verified owner pairs.
New Balance 990 Sizing, What the Feetlot Database Tells Us
The New Balance 990 is the Made-in-USA premium dad-and-lifestyle runner, and the Feetlot data backs up its reputation as a dependable, true-to-size shoe. Based on 50 verified pairs in the Feetlot database, the 990 sits just slightly on the small side of the Nike Air Force 1 reference, meaning most wearers buy their normal size and are done. The standout is not a length quirk, it is that New Balance offers the 990 in a full range of widths, so the right fix for an off fit is almost always the width letter, not the number.
Should You Size Up or Down in New Balance 990?
Standard fit (most people)
Stay true to size. The 990 runs slightly small versus a roomy lifestyle sneaker, but for the typical foot the difference is negligible and the cushioned ENCAP heel plus dual-density midsole give a secure, locked-in fit at true size. Feetlot data shows the 990 needing very little adjustment for the average wearer.
Wide feet
Do not size up, change the width. The 990 comes in D (standard), 2E (wide), and 4E (extra wide). Going up a half size to chase room only adds length the foot does not need, leaving a sloppy heel. Choosing 2E or 4E in the true length is the correct fix and the main reason New Balance is so trusted by wide-footed wearers.
Narrow feet
Again, reach for the width letter rather than dropping a half size. The 990 is offered in B (narrow) and 2A (extra narrow). A narrow width at true length holds the midfoot without forcing the toes into a shorter shoe.
Thick socks and orthotics
This is the one case where sizing up a half makes sense. Wearers who pair the 990 with heavy boot socks, or who run an aftermarket orthotic on top of the stock insole, often go up a half size to preserve toe room. With everyday socks, true to size is the pick.
How New Balance 990 Compares to Other Shoes
According to Feetlot data, the 990 runs slightly smaller than several common casual shoes, owners who have both in the Feetlot database tend to take a touch more length in the 990 than in Vans Authentic or the Converse Chuck Taylor, and noticeably more than in a Clarks Desert Boot, which is a famously generous fit. So if a Chuck Taylor or a desert boot is the reference, lean toward the same size or a hair up in the 990.
In the other direction, the 990 runs slightly larger than its own sibling the New Balance 574, and a touch larger than the Nike Air Max 95 and Air Max 97, owners of both tend to take a little less length in the 990 than in those. Against the Reebok Club C it lands about even. Because these comparisons rest on a smaller set of shared owners, treat them as directional guidance rather than exact half-size math.
Sign in to Feetlot and add a few of the shoes already owned to get a personal New Balance 990 size recommendation calibrated to a real foot.
New Balance 990 Size Chart (US / UK / EU)
| US Men's | US Women's | UK | EU |
|---|---|---|---|
| 7 | 8.5 | 6.5 | 40 |
| 7.5 | 9 | 7 | 40.5 |
| 8 | 9.5 | 7.5 | 41.5 |
| 8.5 | 10 | 8 | 42 |
| 9 | 10.5 | 8.5 | 42.5 |
| 9.5 | 11 | 9 | 43 |
| 10 | 11.5 | 9.5 | 44 |
| 10.5 | 12 | 10 | 44.5 |
| 11 | 12.5 | 10.5 | 45 |
| 11.5 | 13 | 11 | 45.5 |
| 12 | 13.5 | 11.5 | 46.5 |
| 13 | 14.5 | 12.5 | 47.5 |
Common Sizing Mistakes
- Sizing up to get more width. The single most common 990 mistake. Adding length for a wide foot leaves a loose heel, choose 2E or 4E at true length instead.
- Ignoring the width letter entirely. The 990 comes in 2A, B, D, 2E and 4E. The width is the lever that makes this shoe fit, not the half-size.
- Sizing up for thin socks. Only thick boot socks or an added orthotic justify a half size up; with normal socks, true to size is correct.
- Assuming it fits like the 574. Feetlot data shows the 990 running slightly larger than the 574, so do not copy a 574 size blindly.
How Feetlot Computes These Numbers
Every New Balance 990 sizing recommendation on Feetlot is the output of a global offset model fit to over 100,000 verified shoe records. Each shoe gets a single number, its "size offset", that captures how much its sizing drifts from the reference shoe (the Nike Air Force 1). When a Feetlot user provides their size in any tracked shoe, the model recovers their true foot baseline and recommends the matching New Balance 990 size. This works better than a simple pairwise lookup because Feetlot uses the entire wardrobe graph: even when two users share no shoes directly, the chain of users between them transmits a consistent recommendation. That is why a shoe with a modest number of direct owners still gets a stable size estimate.
Add the shoes you already own and Feetlot predicts your size in the New Balance 990 and 2,000+ others, from 100,000+ verified owner pairs.