The adidas YEEZY Boost 350 V2 runs about half a size small for most people. Based on 3,000 owner-reported pairs in the Feetlot database, the typical wearer takes half a size up from their usual sneaker size. The Primeknit upper has minimal stretch and the toe box tapers, making a true-to-size purchase feel cramped after the first hour. If unsure: size up half a size. Wide feet often need a full size up.
YEEZY 350 V2 Sizing — What 3,000 Pairs in the Feetlot Database Tell Us
The adidas YEEZY Boost 350 V2 is one of the most-tracked sneakers in the Feetlot database. Across 3,000 owner-reported pairs, the residual variance is tight (standard deviation ≈ 0.24 size units), meaning the half-size-up recommendation holds across foot shapes — there's little room for "your foot is unusual" to shift the answer. The Reddit consensus and the adidas sizing FAQ both say to size up half, and Feetlot data agrees: the typical wearer takes half a size above what they wear in Air Force 1 or Vans Authentic.
The structural reasons are well-documented. The Primeknit upper looks like it should stretch but barely does — the knit is reinforced with monofilament yarn and the toe box has limited give. The sock-fit collar pulls the foot back in the shoe, which makes the toe-to-heel measurement feel shorter than the same number in a leather sneaker. Buying half a size up restores the length without making the heel sloppy.
Should You Size Up or Down in YEEZY 350 V2?
Standard fit (most people)
Size up half. According to Feetlot data, the typical YEEZY 350 V2 wearer takes half a size above the number they wear in Air Force 1, Air Jordan 1, Vans Authentic, or Chuck Taylor. For a 10 in AF1, the right YEEZY 350 V2 size is 10.5. The Primeknit doesn't relax with wear the way leather does — half-up sizing is the long-term answer, not a break-in workaround.
Wide feet
Size up a full size. The 350 V2's tapered toe box is the single biggest sizing complaint among wide-footed wearers. Half a size up still cramps the metatarsals; a full size up gives the Primeknit room to drape across the forefoot without forcing the foot into the shoe's shape. The downside is heel slip — many wide-footed wearers solve this with insoles or a thicker sock.
Narrow feet
Half up still works. Narrow-footed wearers occasionally find true-to-size workable in the V2 because they don't fight the tapered last, but the Primeknit doesn't pad the heel cup — the result is a snug-but-thin fit that loosens fast. Half up keeps the toe box honest without sacrificing the lockdown the sock-fit collar provides.
YEEZY 350 V2 colorway and material variants
The standard non-reflective colorways (Zebra, Beluga, Black, Cream White, etc.) all use the same last and the same Primeknit weave. Reflective and 3M variants are constructed identically. Static, MX colorways, and CMPCT versions all share the V2 last as well. CMPCT colorways were marketed as a slightly different fit but Feetlot data on early pairs shows they run within 0.1 size of the standard V2 — same sizing recommendation.
How YEEZY 350 V2 Compares to Other Sneakers
The YEEZY 350 V2 sits about half a size smaller than most lifestyle sneakers. According to Feetlot data, most wearers take their 350 V2 size as half a size above the number they wear in Air Force 1, Air Jordan 1, Vans Authentic and Old Skool, Converse Chuck Taylor (Lo or Hi), adidas Stan Smith, Superstar, Gazelle, NMD R1, and Sperry Top-Sider. In practice, take your "everyday" sneaker number and add half.
A handful of running-derived Nike silhouettes sit at the same numerical size as the 350 V2: Air Max 90, 95, 97, 270, and 1, plus Blazer Mid '77, SB Dunk Low, Air Jordan 3 and 4, and New Balance 574 — all within a quarter size in raw terms. Boots that run substantially roomier go the other way: take a full size larger in 350 V2 than you wear in Clarks Desert Boot or Red Wing Iron Ranger.
Sign in to Feetlot and add a few of your other sneakers to get a personal YEEZY 350 V2 size recommendation calibrated to your actual foot.
YEEZY 350 V2 Size Chart (US / EU / UK)
| US Men's | US Women's | UK | EU |
|---|---|---|---|
| 7 | 8 | 6.5 | 40 |
| 7.5 | 8.5 | 7 | 40.5 |
| 8 | 9 | 7.5 | 41.5 |
| 8.5 | 9.5 | 8 | 42 |
| 9 | 10 | 8.5 | 42.5 |
| 9.5 | 10.5 | 9 | 43.5 |
| 10 | 11 | 9.5 | 44 |
| 10.5 | 11.5 | 10 | 44.5 |
| 11 | 12 | 10.5 | 45.5 |
| 11.5 | 12.5 | 11 | 46 |
| 12 | 13 | 11.5 | 46.5 |
| 13 | 14 | 12.5 | 48 |
Common Sizing Mistakes
- Buying true to size and waiting for the Primeknit to stretch. The reinforced Primeknit on the V2 doesn't stretch meaningfully — it doesn't break in the way knit running shoes do. If it cramps on day one, it'll still cramp in month six.
- Sizing up a full size by default. A full size up is the right call for wide feet, but standard-width wearers end up with heel slip and a sloppy lockdown. Start with half up unless you know your foot is wide.
- Treating the 350 V2 as one of the larger Adidas sneakers. Stan Smith, Superstar, Gazelle, and NMD R1 all run about half a size larger than the 350 V2 in Feetlot data. Don't carry over your usual adidas number — the V2 is the smaller-running outlier.
- Confusing US Men's and US Women's labels. The 350 V2 uses a 1-size offset between men's and women's (US W = US M + 1), not the 1.5 most sneaker brands use. A US men's 9 is a US women's 10.
- Buying without testing the toe box. The single most common return reason for the 350 V2 is forefoot pinch on the medial side. If you're between sizes, round up — don't round down.
How Feetlot Computes These Numbers
Every YEEZY 350 V2 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 much its sizing drifts from the reference shoe (the Air Force 1). When a Feetlot user provides their size in any tracked sneaker, the model recovers their true foot baseline and recommends the matching YEEZY 350 V2 size.
This works better than the more common pairwise approach because Feetlot uses the entire wardrobe graph. A Chuck Taylor owner contributes data about how Chuck Taylor fits relative to Air Force 1 owners (who often own both), which links back to YEEZY 350 V2 owners. Even when two users share zero shoes directly, the chain of users in between transmits a consistent recommendation. The result: sizing advice that holds up no matter how unusual a wardrobe is.