Yeezy Boost 350 V2
Sizing & fit guide
Two ways to fit it
Standard and wide feet should size up ½ (the 350 V2 runs small and snug). Narrow feet who like a locked-in fit can stay true to size, optionally removing the insole for a bit more room.
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Why the Yeezy Boost 350 V2 fits this way
The Yeezy Boost 350 V2 is the model that made "size up half" a reflex for Yeezy buyers. The single most-referenced community post on the topic is a stickied sizing guide whose title is literally "Yeezy 350 V2 Sizing - 0.5 SIZE UP," with the summary: get half a size higher than you wear in other Adidas shoes — "Wear a 10 in Ultra Boosts? Great. Get 10.5 V2s." That advice is echoed constantly in sizing-help threads: "Easy NO. Always go .5 up with 350's," and buyers who tried true size report the shoe "will definitely be too tight."
The reason is the Primeknit upper and low, narrow last: the knit hugs the foot and the toe box is snug, so true size feels tight — especially across the width. Wide-foot wearers are unanimous about going up. Some even go a full size on the snuggest colorways, but that is the exception, not the rule.
There is a real minority who wear the 350 V2 true to size. One highly-upvoted reply says, "I have 3 pairs of yeezys, 2 350's and a waverunner, and all 3 are my actual shoe size and all fit perfectly fine." These tend to be narrow-footed wearers, or people who prefer a locked-in fit. A common middle-ground tip: if you're on your true size and it's slightly tight, removing the factory insole opens up noticeable room.
Net: size up a half from your true (Ultraboost/Adidas) size — this is the safe call for standard and wide feet. Narrow feet who like a snug fit can stay true to size, optionally pulling the insole for a touch more space. The knit gives a little with wear but not enough to fix a too-small pair.
Common scenarios
I wear US 10.5 in my normal sneakers. What size Yeezy 350 V2?
US 11 — go half a size up. The 350 V2 runs small and snug, and the community default is +½ from your true/Adidas size. If your feet are narrow and you like them locked in, 10.5 can work.
How do they fit compared to Adidas Ultraboost?
Half a size smaller-feeling. The classic rule is to take your Ultraboost size and add ½ — a 10 in Ultraboost is an 11 in the 350 V2.
I have wide feet. Should I size up more?
At least ½ up, and a full size on the snuggest pairs if you're between sizes. The knit toe box is narrow, so wide feet should not try to fit true to size.
Can I wear my true size if they feel a little tight?
Some narrow-footed wearers do run them true to size. If yours are slightly tight at true size, pull the factory insole — it opens up meaningful room and is a common fix before sizing up.
How it compares to other models
- Yeezy Boost 700 (Wave Runner) Medium confidence
Both run snug — the 700 Wave Runner also takes ½ up for most, so if you size up ½ in the 350 V2 you'll likely do the same in the 700
- Yeezy 500 Low confidence
Opposite direction — the 500 tends to run large/true, so don't carry the 350 V2's ½-up rule over to it