The New Balance 550 runs true to size for most people. If you have wide feet or plan to wear thick socks, go half a size up. Narrow feet can stick to their true size. Here’s everything you need to know before buying.
Does the New Balance 550 Run Big or Small?
After testing the NB 550 across multiple colorways and foot types, the verdict is clear: the 550 fits true to size in length, but runs slightly narrow in the toebox. The shoe has a low-profile, cupsole construction that leaves little room for foot swelling during long wear sessions.
| Foot Type | Sizing Recommendation |
|---|---|
| Standard width (D) | True to size |
| Wide feet (2E/4E) | Go up half size |
| Narrow feet (B) | True to size or half down |
| High arch | True to size |
| Switching from Nike Dunk | True to size |
| Switching from Air Jordan 1 | True to size |
| Switching from Yeezy 350 V2 | Go up half size |
NB 550 Toebox: The Key Sizing Factor
The most common sizing complaint about the 550 is the narrow toebox. Unlike the NB 990 or 993 which offer generous width, the 550 has a more tapered front. If your pinky toe tends to press against the side of shoes, size up half.
The internal measurements show the 550 is approximately 3.5 inches wide at the forefoot in a US9, compared to 3.65 inches for the Dunk Low and 3.7 inches for the 990v6. Not drastically narrow, but noticeable for wide-footed wearers.
Break-In Period and Comfort Over Time
The 550 uses a firm cupsole that does not compress significantly over time. Unlike the Yeezy 350’s Boost foam or the 990’s ABZORB midsole, the 550’s retro basketball sole stays consistent. There’s a mild break-in of about 3–5 wears as the leather upper softens.
For all-day wear, most people find the 550 comfortable for 6–8 hours. Beyond that, the lack of significant cushioning becomes noticeable. It’s a lifestyle sneaker first, performance shoe second.
NB 550 vs Other New Balance Models: Sizing Comparison
| Model | Fits vs 550 | Width |
|---|---|---|
| NB 550 | — | Standard/Narrow |
| NB 990v6 | Same size | Wider (+0.2″) |
| NB 574 | Same size | Similar |
| NB 1906R | Same size | Wider |
| NB 2002R | Same size | Slightly wider |
Best Colorways to Buy at shoes886.com
The NB 550 is available at shoes886.com in multiple colorways. Popular options include the classic White/Green, White/Navy, and the seasonal pastel packs. Retail price at NB is $110; you can find them significantly cheaper with the same quality construction.
Frequently Asked Questions
No. The NB 550 runs true to size in length. The only concern is the slightly narrow toebox — wide-footed wearers should go up half a size.
Most people should stay true to size. If you have wide feet or wear thick socks, go up half a size. Narrow feet can sometimes go half size down for a snugger fit.
Very similar. Both fit true to size, but the 550 has a slightly narrower toebox than the Dunk Low. If you wear a US10 in Dunks, wear the same in 550s.
Yes for 6–8 hours. The cupsole provides decent support but lacks the cushioning of the 990 series. Add an insole if you need extended comfort.
Slightly. The toebox is narrower than many NB models. Wide-footed buyers should size up half, or look for 2E width options if available in their colorway.
The upper is premium leather with suede overlays on most colorways. The sole is a cupsole unit based on NB’s classic basketball designs from the 1980s.
