Converse Chuck Taylor Hi runs about half a size large for most people — exactly like the Low. The high-top ankle collar adds wraparound snugness, not length. Based on 848 owner-reported pairs in the Feetlot database, the typical wearer takes half a size down from their usual sneaker size, the same adjustment that fits Chuck Taylor Low for the same wearer. If unsure: size down half a size. Wide feet should stay true to size, since the canvas upper doesn't widen with wear.
Chuck Taylor Hi Sizing — What 848 Pairs in the Feetlot Database Tell Us
The Converse Chuck Taylor Hi is the most-tracked high-top sneaker in the Feetlot database. Across 848 owner-reported pairs, the residual variance is tight (standard deviation ≈ 0.24 size units), meaning sizing is consistent across colorways and across the standard Chuck Taylor Hi versus the Chuck 70 Hi reissue. The classic "Chucks run half big" advice lines up with what Feetlot data actually shows: Chuck Taylor Hi sits at almost exactly the same offset as Chuck Taylor Low (within a quarter size of each other), so the same size you wear in the Low fits the Hi.
The reason Chuck Taylor Hi runs slightly large is the simple lasted construction. The toe box has minimal curvature, the canvas upper doesn't stretch, and the rubber outsole adds no toe-spring. A true-to-size pair leaves room at the front that doesn't fill in with break-in. The added ankle collar on the Hi tightens around the ankle without changing the length advice — half down is right whether you're buying Low or Hi.
Should You Size Up or Down in Chuck Taylor Hi?
Standard fit (most people)
Size down half a size from your usual sneaker size — same adjustment as the Chuck Taylor Low. The canvas upper has minimal width and length give, so a true-to-size pair feels sloppy at the heel and front, and half down gives the snug, court-shoe fit the silhouette was designed for. The Hi collar locks the ankle in once the canvas softens over the first 5–10 hours.
Wide feet
Stay true to size. The canvas upper doesn't widen with wear, and Chuck Taylor Hi isn't offered in W width in most regions. Going half down on wide feet pinches at the metatarsals and presses the canvas against the bones of the foot, where it doesn't soften enough to be comfortable. The standard rubber toe cap forces width compression — true to size is the safer call.
Narrow feet
Half a size down works for most narrow feet. Going a full size down occasionally fits very narrow feet — the canvas tightens around the heel as the upper softens, and the laces can be cinched all the way to the top eyelet to pull the upper closer to the foot. Try half down first.
Chuck 70 Hi vs Standard Chuck Taylor Hi
The Chuck 70 Hi is the premium reissue of the 1970s-spec Chuck Taylor Hi — heavier canvas, a more egg-shell rubber toe cap, an OrthoLite insole, and slightly more padding under the heel. Same last, same length advice — half a size down from your usual sneaker size. The heavier canvas takes a touch longer to soften, but the fit you'd buy is identical to the standard Chuck Taylor Hi.
How Chuck Taylor Hi Compares to Other Sneakers
The Chuck Taylor Hi fits at the same numerical size as the Chuck Taylor Low (Ox), Clarks Desert Boot, and Sperry Authentic Original. According to Feetlot data, these all round to the same size in 0.5 increments — take the same number you wear in Chucks.
Most modern Nike and adidas lifestyle sneakers run smaller in number than Chuck Taylor Hi. Air Force 1, Air Jordan 1, Vans Authentic, Vans Old Skool, Nike Dunk Low, Nike Dunk High, Nike Blazer Mid '77, Air Jordan 3, Air Jordan 4, SB Dunk Low, Air Max 90, Air Max 1, Air Max 95, Air Max 97, Air Max 270, New Balance 574, adidas Stan Smith, adidas Superstar, adidas Gazelle, adidas NMD R1, and YEEZY Boost 350 V2 all run about half a size smaller than Chuck Taylor Hi. So if you wear Chuck Hi in 10, take 9.5 in those. Boot-style models (Red Wing Iron Ranger) run a half size smaller than Chuck Taylor Hi in number — size down half from Chuck Hi there.
Sign in to Feetlot and add a few of your other sneakers to get a personal Chuck Taylor Hi size recommendation calibrated to your actual foot.
Chuck Taylor Hi Size Chart (US / EU / UK)
| US Men's | US Women's | UK | EU |
|---|---|---|---|
| 7 | 9 | 7 | 40 |
| 7.5 | 9.5 | 7.5 | 41 |
| 8 | 10 | 8 | 41.5 |
| 8.5 | 10.5 | 8.5 | 42 |
| 9 | 11 | 9 | 42.5 |
| 9.5 | 11.5 | 9.5 | 43 |
| 10 | 12 | 10 | 44 |
| 10.5 | 12.5 | 10.5 | 44.5 |
| 11 | 13 | 11 | 45 |
| 11.5 | 13.5 | 11.5 | 46 |
| 12 | 14 | 12 | 46.5 |
| 13 | 15 | 13 | 48 |
Common Sizing Mistakes
- Going down a full size because "Converse runs huge". Chuck Taylor Hi runs about half a size large, not a full size. A full size down pinches at the metatarsals and leaves the toes pressed against the toe cap.
- Sizing for the high collar. The collar tightens around the ankle as the canvas softens, but the length is set the moment you buy. Going up half for "collar room" gives you a too-long shoe.
- Going by women's sizing on a Chuck Taylor Hi label. Chuck Taylor Hi historically uses unisex sizing where women's is roughly men's + 2 (not the more common men's + 1.5). Check the size chart on the box if you're between sizes.
- Treating Chuck 70 Hi like Chuck Taylor Hi after break-in. Same fit on day one, but the heavier Chuck 70 canvas takes longer to soften. Don't return them for "too snug" within the first week — that's break-in.
- Expecting canvas to widen. The canvas softens but doesn't stretch. Wide feet shouldn't size down expecting break-in to fix forefoot pressure.
How Feetlot Computes These Numbers
Every Chuck Taylor Hi 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 its sizing drifts relative to a reference shoe (the Nike Air Force 1). When a Feetlot user provides their size in any tracked shoe, the model recovers their true foot baseline and recommends the matching Chuck Taylor Hi size.
This works better than the pairwise approach you'll see on most sizing blogs because Feetlot uses the entire wardrobe graph. A YEEZY 350 owner contributes data about how YEEZY fits relative to AF1 owners (who often own both), which links back to Chuck Taylor Hi owners through any shared model. 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.