Children Underwear Size Guide for Parents 2023 edition - How to measure your kid

Choosing the right size of underwear for your child can be a challenging task. 

Kids grow so fast, and it seems like yesterday they were wearing tiny onesies. But convincing them to wear an underwear can be a daunting task. 

This seems like the real problem, and what if your kids do not even want to wear underwear?

Maybe the size is too tight and they are uncomfortable.

Fear not, parents! 

In this blog, we will help you navigate children's underwear sizes and provide you with some tips and tricks to measure your kid accurately. 

But before understanding how to measure your kid for the right underwear, let's understand why it's essential to get the right size for your child's underwear. 

Why Getting the Right Underwear Size Matters

Ill-fitting underwear can lead to discomfort, chafing, and even restricted movement. Nobody wants their little ones fidgeting and squirming all day due to uncomfortable undies, right?

As it is going to be the first time your child is going to wear underwear, you have to make sure that they are soft and comfortable.

Ideal Material

When it comes to selecting the ideal material for your child's underwear, comfort and breathability should be your top priorities. Here are some options that will keep your little one feeling fresh and comfortable all day long:

Cotton: A classic choice, cotton is soft, breathable, and hypoallergenic. It allows air circulation, reducing the risk of irritation and rashes. Look for underwear made from high-quality, combed cotton for ultimate comfort.

Bamboo: Bamboo fabric is gaining popularity due to its softness and eco-friendly nature. It has excellent moisture-wicking properties, making it a great choice for active kids who tend to sweat. 

But which is more suitable boxers or briefs?

Briefs: Briefs are classic and provide excellent support. They have a snug fit, making them ideal for active kids. They are available in various waistband styles, including standard waist and low-rise options. 

Boxers: Boxers offer a looser fit and more freedom of movement. They are often considered more comfortable for sleeping or lounging around the house. However, it's important to note that boxers may not provide as much support as briefs, especially during physical activities.

Ultimately, the choice between boxers, or briefs depends on your child's preferences and comfort. 

Some Tips for Underwear Shopping

Now that you've measured your child here are some additional tips to make the underwear shopping experience smooth and enjoyable:

  • Involve your kids in the decision-making process 
  • Look for tagless designs to prevent any irritation or itchiness.
  • Consider choosing underwear with fun patterns or their favorite characters to make dressing up more exciting for your child.
  • Don't forget to check for elastic bands that are snug but not too tight, ensuring a comfortable fit.

How to measure your kid for the right underwear

Step 1: Begin Your measuring expedition, you'll need a few items. Grab a measuring tape (soft and flexible ones work best), a notepad, and a pen. And of course, find a willing participant (your child!).

Step 2: Start by measuring your child's waist. Wrap the measuring tape around the waistline, just above the hips. 

Ensure it's snug but not too tight. Write down the measurement in inches or centimeters. This measurement will be the key to finding the perfect waistband for your little one.

Step 3: Now it's time to measure the hips. Position the measuring tape around your child's hips. 

Remember to keep it parallel to the ground for accurate results. Note down this measurement as well, as it will determine the right fit for the hip area.

Step 4: Most children's underwear sizes correlate with their age, but height can vary among kids of the same age group. Keep this in mind as you browse the size chart.

Underwear Size Chart for kids

Now that you have all the measurements, let's decipher them into the perfect underwear size for your child. Here's a handy chart to guide you:

Remember that every child is different, so these measurements serve as a general guideline. It's always a good idea to try on a few different sizes and see which one fits your child best.


Age Range

Waist Measurement (inches)

Hip Measurement (inches)

Recommended Size

2-3 years



XS (2-3)

4-5 years



S (4-5)

6-7 years



M (6-7)

8-9 years



L (8-9)

10-11 years



XL (10-11)



Now that you have the measurement for the perfect underwear size, you can now navigate the clothing aisles. 

Selecting the ideal material and underwear style for your child is essential for their comfort and confidence.

Remember, the right fit leads to happy kids, and happy kids make happy parents!

By choosing comfortable, breathable underwear, you'll ensure that your little one stays happy, healthy, and ready for all the adventures that lie ahead!

Ready to find the perfect underwear size for your child? 

Explore our website today and explore our wide selection of comfortable and stylish options. Shop now!