Small Underwear for Toddlers and Babies | Potty Training
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Small Underwear for Toddlers and Babies
Are you searching for small toddler underwear? I know how challenging it can be to find small underwear for toddlers who:
- are small for their age;
- potty train before two-years-old;
- are elimination communication graduates; or
- complete Montessori toilet learning at a young age.
Babies practicing elimination communication may even be ready to start wearing underwear, for at least part of the day, at around 6-months-old.
I am here to help you in your search for extra small toddler underwear starting from 12 months or 18 months sizes or teeny tiny baby underwear. If you feel that your baby or toddler is ready to move on from diapers or training pants to panties or boxers, don't let the limited options hold you back. Below you can find the smallest toddler underwear for boys and girls as well as underwear for babies practicing elimination communication.
Our Search for Small Toddler Underwear
I started practicing elimination communication with my son when he was one-month-old and he switched from wearing cloth diapers to cloth training pants at 12-months-old. He is small for his age, and I knew that when the time came it would be difficult to find underwear that fit.
While traveling in Asia, I checked every super market, department store, and baby store for small underwear. Practicing EC and potty training before three-years-old is more common in Asia, so it is easier to find small potties and undies. Even so, I only found a couple places to buy itty bitty underwear. In Thailand I found Winnie the Pooh underwear at Tesco Lotus that fit my 20 pound 19-month-old. In Japan I found super cute briefs at Muji in size 90cm that fit him well and are high quality (pictured above). There are now some Muji stores in the USA, but at least the online store does not offer the smaller sizes of underwear. I wish we had purchased more than two pairs!
Once my son turned 24-months-old, and our traveling lifestyle settled down, we made the switch from cloth training pants to real underwear. We have tried most of the brands listed below.
Brands of Extra Small Underwear for Toddlers and Tiny Undies for Babies
Disclosure: Many of the product links below are affiliate links. If you click on one of my affiliate links and make a purchase, there will be no extra charge to you, but I will receive a small commission. Thank you for your support!
Sizes from: 18-24M; waist 19.5 in; height 30-33 in.
Fabric: Cotton; Organic Cotton
City Threads offers high quality cotton or organic cotton underwear made in the USA, starting from size 18-24M. They offer briefs or boxer briefs for boys and briefs or dance shorts for girls. They also offer conservative unisex underwear.
City Threads Size Chart
| Size | Waist (inches) | Height (inches) |
|---|---|---|
| 18-24M | 19.5 | 30-33 |
| 2T | 19.5 | 33-35 |
| 3T | 20.5 | 35-38 |
| 4T | 21.5 | 38-41 |
Sizes from: 6-12M; 10-16 lbs; waist 13-15 in; low-rise 10.25 in; thigh 8-10 in.
Fabric: Cotton
Tiny Undies are designed by Andrea Olson, author of Go Diaper Free: A Simple Handbook for Elimination Communication and The Tiny Potty Training Book. They come in gender-neutral solid colors and prints.
Tiny Undies Size Chart
Sizes from: 12M; 20-21 lbs; height 28-29.5 in.
Fabric: Organic Cotton
Burt's Bees offers organic cotton boxers starting from size 12M. Paired with a tank top, the boxers make great pajamas. For girls, they offer organic panties starting from 2T/3T.
The EC Store Undies by Under the Nile
Sizes from: 1; Waist 14-20 in; Thigh 10 in; Low-rise 10".
Fabric: Organic Cotton
The EC Store undies are made in Egypt by Under the Nile. The high-cut design probably works best on girls.
Sizes from: 1.5-2yrs
Fabric: 95% Cotton, 5% Spandex
H&M offers kids underwear starting from size 1.5-2yrs, in both regular and organic cotton. They offer boxer briefs for boys and briefs or boxer briefs for girls. We bought a bunch of boxers, and size 1.5-2yrs finally fit my petite son when he was 3yrs.
Joe Boxer Underwear
Sizes from: 2T
Fabric: Cotton
Joe Boxer toddler underwear start from size 2T, but run very small. They are available at Sears and Kmart.
Ready for Small Toddler Underwear
Here are some photos of the brands of small toddler underwear mentioned above. The model is 2-years-old in the photos, but wears size 18-24M clothes.
City Threads Boys Briefs Size 18-24M
Left: Burt's Bees Organic Boxers Size 24M and Tank Top, Right: Tiny Undies Size 18-24M
The EC Store Tiny Undies by Under the Nile Size 1
Joe Boxer Underwear Size 2T with Waistband Folded Under
I hope this list helped you find small toddler underwear for your little one. You may also want to view my list of Elimination Communication Training Pants.
When did your toddler make the transition to underwear?
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I am trying to find panties for a little girl with a tiny waist. She’s going to be 3 but she can still wear 9_12 mos. Any larger falls off.
Hi Ada,
I recommend Tiny Undies. You can measure her waist and check the size chart above.
I have a tiny 2 yr old daughter that wears the same size pants (heck we still have 6m pants that fit 😂) and we actually found that the 2T size of whatever brand Target/Walmart carries fits just fine! A little baggy but they stay up fine 🙂