An adidas womens size Guide only solves half the problem for a buyer. The other half is deciding what to stock, in which sizes, and how much comes back as a return. Most published charts agree on the basics. The gap opens up around model-to-model fit, half sizes, and the difference between a women's label and a unisex label sitting on the same shelf.
What follows covers US-to-EU Conversion, how specific adidas models actually run, and how to turn all of it into reorder rules for a small shop or an online store. It assumes you're buying more than one pair at a time.
Measure the foot, not the old sneaker size
Conversion charts assume the shoe matches the last it was built on. Feet don't cooperate. Get a Brannock measurement or a traced outline from the customer, then convert from foot length rather than from whatever size they wore in another brand.
Centimeters are the most stable number across brands. adidas publishes a centimeters column on its official charts, and that column is worth recording in your product notes. US and UK labels drift between manufacturers; the millimeter measurement does not.
- Measure heel to longest toe while standing, in the socks the customer will actually wear.
- Add roughly 0.5 cm of toe room for casual wear, slightly more for running models.
- Match that total to the centimeters column, then read across to US women's, EU, and unisex.
- Record the model alongside the size on every order, because fits differ by last.
Reading the conversion row by row
Every adidas womens size guide you'll find online converts the same three label systems, and for most women's models the numbers land in the same place. EU sizing moves in thirds, which is why you see 36 2/3 and 39 1/3 instead of clean whole numbers.
| US women's | EU (typical) | Men's/unisex equivalent | Buyer note |
|---|---|---|---|
| 5 | 35.5 | About 3.5 | Short run; confirm unisex availability first |
| 6 | 36 2/3 | About 4.5 | Steady seller in slim silhouettes |
| 7 | 38 | About 5.5 | Core size; buy deepest here |
| 8 | 39 1/3 | About 6.5 | Core size; watch half-size demand |
| 9 | 40 2/3 | About 7.5 | Often first to sell out in classics |
Two details trip people up. First, an EU size is a physical length, not a gender: women's EU 38 and men's EU 38 measure the same, but the US labels attached to them don't match. Second, half sizes exist in US but not always in EU, so a US 7.5 and a US 7 can sit one-third of a size apart.
The unisex column above is an ordering shortcut, not a rule. Check the specific product page before committing to a bulk purchase, and confirm with the supplier whether the pair ships in women's-specific or unisex sizing.
Where fit drifts between models
That's why the adidas womens size guide printed on a product page is a starting point, not a verdict. Two shoes in the same labeled size can feel a full half size apart depending on the upper, the last, and the sockliner.
Slim uppers: Samba, Gazelle, Campus
These retro low-profiles run narrow and slightly long. Most wearers treat them as true to size in length but snug across the forefoot. Wide-footed customers usually go up a half size, and leather versions stretch more than suede.
Cushioned runners: Ultraboost, Supernova
Knit uppers wrap rather than press, so the fit feels more forgiving out of the box. The tradeoff is heel slip when someone sizes up for width they don't need. For actual running, most buyers stay at their measured size.
Court classics: Superstar, Stan Smith
Stiff toe boxes and a roomier forefoot make these the models most likely to need a half size down for narrow feet. Stan Smith has a long-standing reputation for running roughly a half size large.
Youth sizing, half sizes, and stock depth
Women with feet under about US 7 can often wear youth or big-kids sizes, which usually carry a lower retail and wholesale cost. The catch is construction and colorways: youth versions sometimes use different materials and a narrower last.
Half sizes are where small shops lose money. Carrying every half size in every colorway ties up cash for a modest return. A workable compromise is a full run in core colors and whole sizes only in seasonal pairs.
- Core black and white classics: full size run, half sizes included.
- Seasonal or trend colorways: whole sizes only.
- Sizes 5 to 6: two or three pairs per colorway, restock on demand.
- Size 10 and up: hold one pair, reorder against a waitlist.
Checking size labels on incoming stock
Inconsistent labeling is one of the first things a buyer notices on questionable stock. On authentic pairs, the tag inside the shoe, the box label, and the style code should all agree, and the conversion should be one the brand actually produces.
A size that doesn't exist in the official line, such as a half size in a model that only ships in whole sizes, is a red flag. So is a box label with a different font or layout than other pairs from the same lot. When something looks off, send photos to a professional authentication service before you list the pairs.
Reorder rules that cut returns
After a season of sell-through, build your own notes rather than leaning on a generic adidas womens size guide. Track returns by model, size, and reason. Three returns of the same model in the same size tells you something no chart will.
Keep a plain record: model name, labeled size, customer's measured foot length, and whether they kept the pair. A few months of that gives you a store-specific fit profile that beats any published table.
- Confirm the size label against the official brand chart for that exact product.
- Ask the supplier whether the pair is women's-specific or unisex.
- Match box label, internal tag, and product page before listing.
- Log returns by model and size for one full season.
- Adjust the next order by whole sizes first, half sizes second.
Common questions from buyers
Do adidas women's shoes run true to size?
Most core models do, within about a half size. Sambas and Gazelles feel narrow in the forefoot, while Stan Smith and Superstar tend to run slightly large. Treat any single answer as a starting point and check the specific product page, since the last changes between releases.
Is a women's US 8 the same as a men's US 8?
No. A women's US 8 converts to roughly a men's US 6.5 in the same EU length, about a 1.5 size gap. If you're ordering unisex stock for female customers, size down accordingly and confirm the EU number rather than trusting the US label alone.
Should I stock EU-labeled or US-labeled inventory?
The adidas womens size guide is built around EU sizing, so the EU number is the safest reference across suppliers and regions. Stock whatever labeling fits your market, but keep EU and centimeters in your internal notes so you can compare lots from different sources.
How do I handle customers who fall between sizes?
Measure their foot and convert from centimeters rather than from their previous brand's size. For slim uppers, round up; for roomy court models, round down. Encourage them to try both if your return policy allows it, and log which way they went.
Get the size sheet before the quote
Ask any supplier for the size breakdown by model and colorway before you discuss price. A supplier who can send a clean EU-to-US sheet, confirm women's versus unisex labeling, and answer half-size questions quickly is usually the one worth a long-term relationship. Send your size run and target quantities to start the conversation.