Do adidas YEEZY Shoes Run Big or Small?

What the Feetlot Data Says About adidas YEEZY Sizing

Feetlot grades every shoe against one reference, the Nike Air Force 1, and then aggregates real owner-reported fits to find each brand's pattern. The adidas YEEZY picture is built from 4,885 verified pairs spanning 11 different YEEZY models, which is enough volume to separate a real brand-wide tendency from one-off opinions.

The headline from Feetlot data is consistency. YEEZY scores HIGH on internal consistency, which means one simple rule covers almost the entire lineup: a single size adjustment tends to work no matter which YEEZY you pick. The spread between models is tight, so you are not gambling differently on every silhouette the way you are with some brands. That is the most useful thing to know before buying, and it is something a generic size chart can never tell you.

On central tendency, the typical YEEZY sits clearly on the snug side of the Air Force 1. In plain terms, the average YEEZY runs about half a size smaller than the Air Force 1, and since the Air Force 1 itself is known to run a touch large, the practical effect is that most YEEZY models feel tight if you buy your literal measured size. That matches the brand's well-known real-world reputation: YEEZY fans have said size up since the very first 350 dropped.

Which adidas YEEZY Shoes Run Big, and Which Run Small

The honest summary is that almost no YEEZY runs big. The lineup splits into models that run distinctly small (size up) and a small handful that land closer to true to size. Feetlot data groups them like this.

YEEZY models that run small (size up half a size): The snuggest fits in the database are the 700 V3 and the 500 High, both of which owners report as noticeably tight, so a full half size up is the standard call. The chunky lifestyle runners follow close behind: the Boost 380 and the Boost 700 MNVN both fit short and reward sizing up. The flagship belongs here too: the Boost 350 V2, by far the most-owned YEEZY in the Feetlot database with 3,000 pairs, runs about half a size small and is the model that built YEEZY's size-up reputation. The original 500 and the Boost 700 Wave Runner also sit on the snug side, though they are a hair less aggressive than the 350 V2.

YEEZY models closer to true to size: A few silhouettes drift back toward neutral. The Boost 700 V2 is the most forgiving of the popular runners and fits closest to true to size, so many owners take their normal size in it. Going further toward roomy, the Powerphase (a flat court-style trainer) and the rare Boost 750 run the largest in the entire YEEZY range, which means true to size or even a half size down for narrow feet. The Quantum basketball model also lands in this more neutral group rather than with the small-running runners.

Put simply: the foam runners and the slip-resistant lifestyle models (350 V2, 380, 700 V3, 500 High) are the ones that demand a size up, while the court-leaning and earliest silhouettes (Powerphase, 750, and to a lesser extent the 700 V2) are the rare YEEZYs you can buy true to size.

How to Find Your adidas YEEZY Size

Because YEEZY is so consistent, the rule of thumb is easy. Start from your true measured length on a Brannock device or a printed sizing ruler, take that as your baseline, and then adjust by model.

• Default rule: For most YEEZY models (350 V2, 380, 700 V3, 500 High, 700, 700 MNVN), go up half a size from your measured size.
• True to size models: For the Powerphase, the original 750, and often the 700 V2, buy your normal size.
• Wide feet: The 350 V2 knit upper is stretchy but the toe box is shallow, so wide-footed buyers should size up half a size and consider a full size if they want toe room. The 500 and 700 chunky models have a roomier midfoot and tolerate wide feet better at true to size plus a half.
• Narrow feet: If your foot is narrow, the snug YEEZYs may fit at true to size, and the roomy Powerphase or 750 can be taken a half size down.
• Measure at the end of the day when your feet are at their largest, and measure both feet, fitting to the longer one.

One more practical note: YEEZY half sizes sell out fast and resell prices swing with size, so knowing your size in advance, rather than guessing on a hyped drop, is worth real money.

adidas YEEZY vs Other Brands

Compared with the broader adidas lineup, YEEZY runs smaller. Standard adidas Originals like the Stan Smith and Superstar are usually called true to size or slightly long, while YEEZY consistently asks for a half size up, so do not assume your regular adidas size carries over. Against Nike, the contrast is sharper: most Nike lifestyle shoes, including the Air Force 1 that Feetlot uses as its reference, run a touch large, which is the opposite of the snug YEEZY fit. If you wear Nike true to size, expect to go up in YEEZY. Versus Jordan, YEEZY is similar in spirit since Jordans also skew snug, but YEEZY's foam and knit models can feel even tighter across the toes. The takeaway is that YEEZY is its own sizing world inside adidas, and Feetlot data shows it behaves more like a snug-fitting performance brand than like casual adidas Originals.

adidas YEEZY Size Chart (US / UK / EU)

This is a standard YEEZY conversion. Because most models run snug, treat the chart as your starting length and apply the half size up rule above for the snug silhouettes.

How Feetlot Measures This

Feetlot fits a single global offset model to more than 100,000 verified owner-reported shoe records. Each shoe earns a number that captures how its fit drifts from the reference shoe, the Nike Air Force 1, so every model in the catalog is placed on one common scale. Aggregating those numbers across all of a brand's models reveals the brand's true pattern, how tightly the models cluster, and exactly which silhouettes break the rule. For adidas YEEZY, that is the 4,885 pairs and 11 models behind this article. To get a personal recommendation instead of a brand average, sign in to Feetlot and add the shoes you already own and how they fit. Feetlot then calibrates to your foot and predicts your size in any YEEZY model, including the snug ones that catch first-time buyers out.