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Best Kids Underwear of 2023

Find out how to choose the your kids' underwear, and where to find the best.

Choosing the right underwear for your child is important whether you are at the beginning of your toilet training journey or have already passed the “dry all day” milestone.

It’s not just a case of buying a multipack and hoping for the best. You will need to consider:

  • Material.
  • Cut and comfort.
  • How well they hold up.
  • Your child’s preferences.

Let’s take a look at the most common options for children’s underwear and our top picks for the best underwear for kids.

Our Top Picks

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Product Comparison Table

Product Image of the Baby Soft Cotton Panties Little Girls'Briefs Toddler Underwear (Pack of 6) 3/4T...
Best for Girls
Boboking Baby Cotton Underwear
  • Accurate sizes
  • Withstand multiple washes
  • Comfortable
Product Image of the Ez Undeez Boys Boxer Briefs Toddler Training Underwear Easy Pull Up Handles (4...
Best Flor Boys
EZ Undeez Boys
  • Easy to pull up
  • Padded front area
  • Washes well
Product Image of the Rocky Thermal Underwear for Boys (Thermal Long Johns Set) Shirt & Pants, Base...
Best Thermal Underwear
Rocky Thermal Underwear/PJs
  • Hold heat when wet
  • Lightweight
  • Two piece set
Product Image of the Potty Training Underwear Waterproof Bamboo Good Night Diapers Cloth Panties...
Best Quick-Dry Underwear
VieGreenleaf Potty Training
  • Soft fabric
  • Cute and fun patterns
  • Fast drying
Product Image of the City Threads Boys Organic Cotton Brief Underwear for Sensitive Skin and Sensory...
Best for Sensitive Skin
City Threads Organic Cotton Underwear
  • 100 percent organic
  • Washes well
  • Doesn’t shrink when washed
Product Image of the SmartKnitKIDS Girls' Boy Cut Style Seamless Sensitivity Undies (Pink, Large)
Best Seamless Underwear
SmartKnitKids Seamless Undies
  • Soft cotton fabric
  • Comfortable
  • Made in the US
Product Image of the Hudson Baby Unisex Baby Cotton Training Pants Forest, 4 Toddler
Best Gender-Neutral Underwear
Hudson Baby Kids’ Unisex Pants
  • 100% cotton
  • Machine washable
  • Comfortable

The Best Kids’ Underwear of 2023

Here are our top kids’ underwear picks.

1. Boboking Baby Soft Cotton Underwear

Best Girls Underwear

This soft cotton underwear from Boboking comes in a wide range of colors and patterns.

Made of 100% cotton, the elastic is sewn into a cloth pocket so your child does not experience any pinching or discomfort.

Photo of the Boboking Baby Soft Cotton Underwear


  • Multiple reviews say that the sizes of this underwear are accurate so there’s no guesswork and no having to buy bigger or smaller than you normally would.
  • Stand up well to multiple washes.


  • The leg openings are larger than in some underwear.

Product Specs

Style Girls’ briefs
Material 100% cotton
Sizes Available 2T to 12 years
Number In Pack Six
Colors/patterns available 24 multipacks available from brights to pastels.

2. EZ Undeez Boys

Best Boys’ Underwear

Designed and made by parents for their own toddler, the soft, wide waistband of this underwear makes them especially comfortable to wear.

The waistband also has a reinforced, embroidered hole at each hip. This makes it easier for your child to pull them up.

There are no tags or uncomfortable seams, and the legs do not have tight elastic around the openings.

Photo of the EZ Undeez Boys


  • Also available in toddler briefs style.
  • A slightly padded area at the front catches tiny accidents before they can soak through to outer clothes.
  • Reviews say this underwear washes well and lasts long enough for kids to grow out of them.


  • Some users say the sizing comes up a little small, so it is advisable to check the sizing charts or order a size larger than you think you need.

Product Specs

Style Boxers, also available as briefs.
Material Cotton
Sizes Available 2 to 3 years and 4 to 5 years
Number In Pack Four
Colors/patterns available Six different theme packs are available.

3. Rocky Thermal Underwear/PJs

Best Thermal Kids’ Underwear

Rocky fleece thermal underwear is much softer yet wonderfully warm. That makes this thermal underwear exceptionally non-irritating.

The natural elasticity of the fabric makes the fit snug but comfortable while allowing your child flexibility of movement.

This two-piece set is made of polyester, they can be machine washed, which means they are practical as well as comfortable. Plus, they are warm so they’re a great pick for winter.

Photo of the Rocky Thermal Underwear/PJs


  • They hold heat when wet so if your child has an accident when wearing them, they will not get cold and wet.
  • Lightweight and snug fit.
  • Can also be worn as PJs.


  • At the upper end of the children’s underwear price range.

Product Specs

Style Long johns with matching long-sleeved vest.
Material 92% polyester, 8% spandex
Sizes Available 2T to 7
Number In Pack One pair of long johns and one long-sleeved vest per pack
Colors/patterns available 15 colors

4. VieGreenleaf Potty Training Skirt

Best Quick-Dry Kids’ Underwear

When you are planning to start potty training your little one, this pair of skirts from VieGreenleaf would be a good helper. Made of three different layers, the item will ensure a comfortable night’s sleep free from wetness.

The first layer is made of cotton, its middle layer is made of TPU waterproof and the inner layer is made of bamboo which makes it soft and fast drying.

Photo of the VieGreenleaf Potty Training Skirt


  • Exceptionally soft fabric.
  • Cute and fun children’s patterns — but no character-driven designs.


  • Tendency to leak if your child is a heavy wetter.

Product Specs

Style Skirt
Material Cotton, TPU waterproof, bamboo
Sizes Available For babies 2 to 6 years of age
Number In Pack Two pairs per pack
Colors/patterns available Two different patterns per pack.

5. City Threads Boys Certified Organic Cotton Underwear

Best Kids’ Underwear For Sensitive Skin

Made with the most sensitive kids in mind, City Threads are made from 100 percent certified organic cotton.

They are also dyed with non-toxic coloring and are pesticide-free, insecticide-free, and fire retardants-free.

Some organic clothes can be scratchy or take a few washes to soften up, but not these.

The City Threads certified organic cotton briefs are made of soft fabric which is comfortable from the first wear.

Photo of the City Threads Boys Certified Organic Cotton Underwear


  • They are 100 percent organic and free from chemicals so you know you are dressing your child in the safest clothes.
  • Reviews say this underwear washes well, doesn’t shrink, and lasts long enough for their kids to grow out of them.


  • Some reviewers have said they do not like the fit.

Product Specs

Style Briefs
Material 100% certified organic cotton
Sizes Available 2T to 16
Number In Pack Three pairs per pack
Colors/patterns available Six different packs available for boys and five for girls.

6. SmartKnitKids Seamless Undies

Best Seamless Underwear For Kids

Created by the same company that produces patented seamless socks, the SmartKnitKids seamless undies are truly seamless.

Unlike other “seamless” underwear for kids, the leg openings and waistband are woven into the main body of the underwear so even the openings are seam-free.

In addition, there are no tags, and no elastic is used.

Photo of the SmartKnitKids Seamless Undies


  • Extremely soft cotton is suitable for even the most sensitive of children.
  • The fabric is made firm enough to slightly “hug” your child and does not feel, in any way, constrictive.
  • Designed and made in the U.S.


  • There is currently a limited range of styles and colors available.

Product Specs

Style Available in boxer briefs and girls’ “boy cut.”
Material 100% cotton
Sizes Available 4 to 12 years
Number In Pack Three
Colors/patterns available One mixed pack for boxer briefs and one mixed pack for girls’ briefs.

7. Hudson Baby Kids’ Unisex Pants

Best Gender-Neutral Kids’ Underwear

Hudson Baby gender-neutral underwear for kids makes toilet training easier for both parents and children.

These unisex toddler training pants have an absorbent layer that stretches from the front to the back of the underwear.

This gives reassurance that any small leaks will not spread far, and makes it easier to leave the house in the early days of potty training.

Photo of the Hudson Baby Kids’ Unisex Pants


  • The underwear is 100% cotton with polyester and PEVA padding. This makes them easy to machine wash and dry.
  • Reviewers say this underwear lasts well and maintains its size and shape after multiple washes.
  • Light elastic around the legs and belly is firm enough to hold the underwear in place but not so tight it makes the underwear uncomfortable.


  • Reviewers report the sizing can come up small. Consequently, you may have to buy a couple of different sizes before you get the right fit for your child.

Product Specs

Style Briefs with padding
Material 100% Cotton with Polyester & PEVA padding
Sizes Available 12 months to 4T
Number In Pack Four per pack
Colors/patterns available 3 different packs available with a total of 10 designs

Product Comparison Chart

Product Best Style Material Sizes Available
Boboking Baby Cotton Underwear Girls Girls’ briefs 100% cotton 2T-12 years
EZ Undeez Boys Boys Boxers, briefs. Cotton 2-3 years & 4-5 years
Rocky Thermal Underwear/PJs Thermal Long johns 92% polyester, 8% spandex 2T to 7
VieGreenleaf Training Skirt Quick-Dry Skirt TPU, cotton, bamboo 2 to 6 years
City Threads Organic Cotton Underwear Sensitive Skin Briefs 100% organic cotton 2T to 16 years
SmartKnitKids Seamless Undies Seamless Boxer briefs 100% cotton 4 to 12 years
Hudson Baby Unisex Pants Gender-Neutral Briefs 100% Cotton 12 months to 4T

What Types of Kids’ Underwear Are Available?

Children’s underwear is available in a wide range of cuts and styles, almost as many as are available for adults.


These are the most common cut of children’s underwear as they are suitable for both boys and girls.

Briefs usually start at just below the belly button, are fairly snug to the body, and have leg openings that sit at the crease at the top of the legs.


Boxers are shaped like shorts and are loose at the legs.

Boxer Briefs

These are the same shape as boxers but fit snugly to the body in the same way as briefs.


The name pull-ups covers both disposable training underpants which are designed to be worn once and brief-style toddler underwear that has absorbent padding to catch accidents. This second type is not disposable and is designed to be worn repeatedly in the same way as regular underwear.

When Should Toddlers Wear Underwear?

At what age your child should begin to wear underwear depends on how you intend to toilet train them (1).

Once your child shows readiness for toilet training you have a choice to go for either regular underwear or disposable pull-ups.

Which is best depends on your child, your potty training journey, and your lifestyle.

How to Choose the Best Kids’ Underwear


Cotton is the most popular material for children’s underwear, with many parents opting for organic cotton. They do this to minimize the number of potentially toxic chemicals their children are exposed to.


How well your children’s underwear stands up to the rigors of the washing machine and dryer is a major consideration when making your choice. This is especially important when you are potty training and your child may go through multiple changes of underwear in a day.

You don’t want to be throwing away multiple pairs of underwear and going to the expense of replacing it every few weeks. You can avoid that issue by ensuring the children’s underwear you buy washes well, keeping its shape, color, and feel.


Some underwear has a snug fit which some children don’t like. But other children may find loose underwear uncomfortable. Find the right size for your child’s weight to get the best fit.

What you can’t go wrong with is choosing underwear without seams. Seams have the potential to irritate sensitive skin or bother children with sensory issues.


This might not be a big issue for most parents, but it may be the deciding factor on whether your child will wear the underwear you buy. The best thing to do is to choose a range of underwear that you would be happy to buy and allow your child to make their own pick from this limited choice.

Kid’s Age

If your child is still potty training you might want to buy underwear which has a padded area to catch accidents. These are not designed to act as training pants and catch a full bladder. Rather, they catch those little “starter dribbles” that may begin before your little one gets to the washroom.

Another consideration is how well your child can pull their underwear up and down unaided. Younger children may struggle to dress and undress themselves, so underwear with a looser waist or with grip holes may be your best bet.

A Big Choice For Little Bottoms

Whether you are buying children’s underwear for your school-age child or purchasing your little one’s first pair of “big kid” pants, making the right choice is important.

Any kids’ underwear has to pass the all-important “Will my child actually wear them?” test and all of the choices above come with a child-tested seal of approval.

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Headshot of Patricia Barnes

About the Author

Patricia Barnes

Patricia Barnes is a homeschooling mom of 5 who has been featured on Global TV, quoted in Parents magazine, and writes for a variety of websites and publications. Doing her best to keep it together in a life of constant chaos, Patti would describe herself as an eclectic mess maker, lousy crafter, book lover, autism mom, and insomniac.