Joules Kids
Here’s how Joules Kids fits your child compared to other brands you might be considering, so you know before it’s in your cart.
Find your child’s size in Joules Kids
Enter your child’s measurements once — we’ll size them in Joules Kids and at 100+ other brands, each from that brand’s own published chart. Height and weight are required; add chest, waist, hips and inseam to sharpen the fit.
Your child wears one size in Joules Kids. What should you buy elsewhere?
Pick the size your child wears at Joules Kids to see which brands have the same label and measurements (twins) and which run shorter or longer (strangers) — based on each brand’s own chart.
Show the full cross-brand table (every size)
| Joules Kids | Size twinssame number fits the same | Size strangerssame number, different cut |
|---|---|---|
| Tiny Baby First Size19.5" | — | No same-size match at other brands |
| Newborn Up to 1m22" | — | No same-size match at other brands |
| 0-3m Up to 3m22–24.5" | — | No same-size match at other brands |
| 3-6m24.5–27" | None — consistent across brands | |
| 6-9m27–29" | None — consistent across brands | |
| 9-12m29–31.5" | — | Hatley↓ shorter |
| 9-12 mths31.5" | None — consistent across brands | |
| 12-18m31.5–34" | Hatley↓ shorter | |
| 18-24m34–36" | Hatley↓ shorter | |
| 1-2 yrs36" | None — consistent across brands | |
| 2-3 yrs36–38.5" | Primary↓ shorter | |
| 3-4 yrs41" | Uniqlo Kids↑ longer | |
| 4-5 yrs43.5" | Primary↓ shorter | |
| 5-6 yrs45.5" | Uniqlo Kids↑ longer | |
| 6-7 yrs48" | None — consistent across brands | |
| 7-8 yrs50.5" | None — consistent across brands | |
| 8-9 yrs53" | None — consistent across brands | |
| 9-10 yrs55" | None — consistent across brands | |
| 10-11 yrs57.5" | None — consistent across brands | |
| 11-12 yrs60" | Zara Kids↓ shorter |
Sizes shown use Joules Kids’ girls’/unisex chart where the brand splits by gender; boys’ sizes at the same number can run slightly taller.
In short
Where the number just works. At Tiny Baby First Size, Newborn Up to 1m, 0-3m Up to 3m, 3-6m, 6-9m, 9-12 mths and more, Joules Kids lines up with every brand we track — the size carries straight over.
Where labels drift. The exceptions are the “strangers” above — e.g. at size 3-4 yrs, Uniqlo Kids cut the same number differently. Check those before you trust the label.
Bottom line: for most sizes, a Joules Kids number is a safe bet elsewhere — measure once, then double-check only the handful of “stranger” brands above.
Curious about a size that isn’t your child’s here? Every size, compared across every brand, lives here: Browse all size comparisons →
Fit & the transitions that trip parents up
Joules Kids-specific things the size number alone won’t tell you — drawn from its own charts.
Runs small — size up
Joules tops, dresses and coats come up small and a little narrow — parents compare it to Boden or M&S and find the next age up is the common move. A few petite kids find it true to size.
British sizing, by age and height
Joules is a UK brand sized by age and height, so size to your child’s measurements rather than assuming a US number carries over.
Specialty & inclusive fits
Which trimmer, roomier, or adaptive cuts Joules Kids publishes alongside its standard sizes.
What shoppers say about the fit
Community consensus
Shopper opinion · not Little & Youth’s measurementThis is what parents report anecdotally — crowd sentiment, not a Little & Youth determination. Our sizing above is computed from Joules Kids’ own published chart; the notes here come from public parent discussion.
Joules kids’ clothing runs small — most parents size up. Across several Mumsnet threads the clear majority say Joules children’s tops, dresses and coats come up small (and a little narrow) compared with Boden or M&S, so buying the next age up is the common move; a minority, including a parent of a Joules fit model, call it true to size, and a few petite kids have been swamped. Recurring specifics: small head openings on boys’ tops, bodies and sleeves that run long, and cotton jersey that shrinks in the wash. The wellies are a different story — Zappos reviewers of the kids’ Roll Up and baby wellies rate them 90–100% true to size, with some parents buying one size up for growing room and finding them still wearable.
Based on anecdotal discussion from multiple publicly available online sources; your experience may differ.
Should you buy Joules Kids?
Consider it if…
- You want bright British-country prints — hand-drawn florals, stripes and animal wellies that parents buy for the look first.
- You want rain boots a kid will actually wear — the Roll Up and baby wellies get near-unanimous true-to-size, comfortable, 'wears them to school' reviews.
- You're buying for a long, slim child — bodies and sleeves run long and the cut is on the narrow side, which suits a skinny frame.
Think twice if…
- You order the exact age size — most parents find it small and size up, so a child at the top of an age band is a returns risk (and UK returns aren't always free).
- Your child has a big head or sturdy build — small neck openings and fitted dresses are the recurring complaints.
- You tumble-dry everything — cotton jersey and polos are repeatedly said to shrink, which compounds the small fit.
Skip the cross-referencing — let Little & Youth do it.
Enter your child’s measurements once. We’ll show their Joules Kids size and their size at 100+ other brands, each from that brand’s own chart.
Find my child’s size →Shop Joules Kids ↗A few things parents ask that the chart won’t tell you
Should I size up in Joules kids clothes?
Usually, yes. The consensus on Mumsnet is that Joules children's tops, dresses and coats come up small and narrow versus Boden or M&S, so most parents buy the next age up; a few call it true to size, so if your child is small for their age the labelled size may still work.
Do Joules kids wellies run big or small?
US parents on Zappos rate the kids' Roll Up and baby wellies 90–100% true to size, and several who bought one size up for welly socks and growing room said they still fit well. One older Mumsnet thread found the kids' welly sizing 'very odd' and had to go up several sizes, so try them on if you can.
Why does my child say a Joules top is too tight when it looks long on them?
Parents flag the boys' tees and jumpers for small head holes: the neck is snug to pull over while the body and sleeves run long. If your child has a larger head, size up or pick a button-neck style.
Does Joules kids clothing shrink?
Cotton jersey and polos are the items parents most often say shrink after a few washes, even at 30°C. Wash cool, air-dry, and size up if you plan to machine-dry.
What measurements do I need to size Joules Kids accurately?
Joules Kids publishes height, weight, chest, waist, hip, inseam in its size chart. Height is the primary driver, and the chest/waist figures let you confirm body fit for a child between sizes.
Do Joules Kids boys’ and girls’ sizes fit the same?
From the bigger sizes up, Joules Kids publishes separate girls’ and boys’ charts, so the same number can differ by gender. The figures on this page use Joules Kids’ girls’/unisex chart.
Where do I buy Joules Kids?
Joules Kids is sold on its own site and on Amazon, so you can pick the marketplace you prefer.