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Walmart Wonder Nation

The quick, ‘beyond-the-size-chart’ breakdown on Walmart Wonder Nation: how it fits, what it’s equal to at other brands, and when to buy it.

Here’s how Walmart Wonder Nation fits your child compared to other brands you might be considering, so you know before it’s in your cart.

Size range
Preemie → 20newborn → big kid
Measurements
Height · Weight · Chest · Waist · Hipused by Walmart Wonder Nation to determine size
Price
$$$ ValueGeneral tier guide to cost per item
✓ verified against Walmart Wonder Nation’s own published size charts · 30 Aug 2026

What size is (and isn’t) like Walmart Wonder Nation at other brands?

Find your child’s Walmart Wonder Nation size on the left. Twins wear the same number the same way — your size carries straight over. Strangers use the same number but cut it shorter or longer, so don’t trust the label alone.

Walmart Wonder NationSize twinssame number fits the sameSize strangerssame number, different cut
Preemie0–17"None — a universal size
Newborn17.5–21"
JoJo Maman Bébé↑ longerMini Boden↑ longer
0-3M20.5–23"
Mini Boden↑ longerJoJo Maman Bébé↑ longer
3-6M23.5–26"
Mini Boden↑ longerJoJo Maman Bébé↑ longer
6-9M26.5–27.5"
Mini Boden↑ longerJoJo Maman Bébé↑ longer
12M28–29.5"
Bobo Choses↑ longerMayoral↑ longerNew Balance Kids↑ longerEddie Bauer↑ longerPuma Kids↑ longerTommy Hilfiger Kids↑ longer+1 more
18M30–31.5"
Mayoral↑ longerNew Balance Kids↑ longerBobo Choses↑ longerEddie Bauer↑ longerPuma Kids↑ longerTommy Hilfiger Kids↑ longer+2 more
24M32–33.5"
Bobo Choses↑ longerNew Balance Kids↑ longerEddie Bauer↑ longerJacadi↑ longerTommy Hilfiger Kids↑ longer
2T32–33.5"
Burt's Bees Baby↑ longerCarter's↑ longerGymboree↑ longerLittle Planet by Carter's↑ longerMini Mioche↑ longerOtter Avenue↑ longer+26 more
3T34–37.5"
Polo Ralph Lauren Kids↑ longerEddie Bauer↑ longerNautica↑ longerReebok Kids↑ longerCarter's↑ longerGymboree↑ longer+24 more
4T38–41.5"
5T42–44.5"
439–41.5"
Columbia Kids↑ longerIl Gufo↓ shorter
542–44.5"
Il Gufo↓ shorter
645–46.5"
Columbia Kids↑ longerBonpoint↓ shorterIl Gufo↓ shorterConverse Kids↓ shorterU.S. Polo Assn.↓ shorter
6X47–48.5"None — a universal size
749–50.5"
Converse Kids↓ shorterNext Kids↓ shorterU.S. Polo Assn.↓ shorterH&M Kids↓ shorterJacadi↓ shorterLevi's Kids↑ longer+2 more
851–53"
Il Gufo↓ shorterBonpoint↓ shorterU.S. Polo Assn.↓ shorterLacoste Kids↓ shorterNext Kids↓ shorterGarnet Hill↑ longer+7 more
1053.5–55"
Il Gufo↓ shorterColumbia Kids↑ longerConverse Kids↑ longerLevi's Kids↑ longerGarnet Hill↑ longerHanna Andersson↑ longer+6 more
1255.5–57.5"
Mayoral↑ longerHanna Andersson↑ longerJacadi↑ longerMini Boden↑ longerRylee + Cru↑ longerMango Kids↑ longer+13 more
1458–60"
Mango Kids↑ longerPetit Bateau↑ longerMini Boden↑ longerConverse Kids↑ longerLacoste Kids↑ longerLevi's Kids↑ longer+19 more
1660–62"
Lacoste Kids↑ longerAppaman↑ longerConverse Kids↑ longerLevi's Kids↑ longerIl Gufo↑ longerMayoral↑ longer+7 more
1860–62"
Eddie Bauer↑ longerLee Jeans↑ longerMayoral↑ longerCalvin Klein Kids↑ longerTommy Hilfiger Kids↑ longerFrench Toast↑ longer+13 more
2060–62"
Eddie Bauer↑ longerLee Jeans↑ longerCalvin Klein Kids↑ longerTommy Hilfiger Kids↑ longerFrench Toast↑ longerGuess↑ longer+6 more

Sizes shown use Walmart Wonder Nation’s 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 Preemie, 6X, Walmart Wonder Nation 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 4, Columbia Kids, Il Gufo cut the same number differently. Check those before you trust the label.

Bottom line: for most sizes, a Walmart Wonder Nation 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 →

Specialty & inclusive fits

Which trimmer, roomier, or adaptive cuts Walmart Wonder Nation publishes alongside its standard sizes.

Offered
Slim
7–18
Same height as the standard size, trimmer through the body.
Not offered
Plus
Offered
Husky
8–18
Same height, roomier waist and seat.
Not offered
Adaptive

Should you buy Walmart Wonder Nation?

Consider it if…

  • Its sizing spans a wide range, so one brand can cover several years.
  • You care about body fit, not just height — Walmart Wonder Nation publishes chest/waist so you can confirm the cut.
  • It offers specialty fits (slim, plus, husky or adaptive) for non-average builds.

Think twice if…

  • It isn’t sold on third-party marketplaces like Amazon — you’ll buy direct or from select retailers.

Skip the cross-referencing — let Little & Youth do it.

Enter your child’s measurements once. We’ll show their Walmart Wonder Nation size and their size at 100+ other brands, each from that brand’s own chart.

Find my child’s size →Shop Walmart Wonder Nation ↗
Their Measurements. Right Size. Brand by Brand.

A few things parents ask that the chart won’t tell you

What measurements do I need to size Walmart Wonder Nation accurately?

Walmart Wonder Nation publishes height, weight, chest, waist, hip 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 Walmart Wonder Nation boys’ and girls’ sizes fit the same?

From the bigger sizes up, Walmart Wonder Nation publishes separate girls’ and boys’ charts, so the same number can differ by gender. The figures on this page use Walmart Wonder Nation’s girls’/unisex chart.

Does Walmart Wonder Nation offer slim, husky sizes?

Yes — Walmart Wonder Nation carries slim, husky options in addition to its standard cut.

Where do I buy Walmart Wonder Nation?

Walmart Wonder Nation is sold direct and through select retailers — it isn’t carried on third-party marketplaces like Amazon.

How this is built. The comparisons here are computed by Little & Youth from each brand’s own published sizing. Brands revise charts over time, so confirm on the retailer’s live chart before buying. Independent; not affiliated with Walmart Wonder Nation.