How to Choose Kids' Pajamas: Fit, Fabric & Comfort

Bedtime looks a little different in every home. Some kids run warm, some love to bundle up, and some seem to grow out of their pajamas overnight. Finding the right pair means balancing comfort, fit, fabric, safety, and the season, all while keeping your child’s needs in mind. This guide walks through what matters most, so you can choose pajamas that work for your child now and as they grow.

Children wearing colourful printed Hatley pajama sets at home

How Should Kids’ Pajamas Fit?

Kids’ pajamas aren’t all designed to fit the same way. Some sleepwear is intentionally snug-fitting, while other styles are made with more room. The right fit is the one the garment was designed and labelled to have.

For Hatley pajamas, start with the current size chart rather than using the age on the size label as a body measurement. Hatley’s chart includes chest, waist, hip, and height measurements and recommends choosing kids’ pajamas one size above the child’s age as a starting point. Always consider the size chart alongside the fit information for the specific product.

Then check how the pajamas feel and move. Sleeves and pant legs should fall where they’re intended to, waistbands should feel comfortable, and the child should be able to move freely. If a style is labelled snug-fitting, follow the brand’s sizing guidance rather than sizing up simply to create a looser fit.

Fit first. Use measurements and the product’s intended fit as your guide rather than treating the age on the label as a body measurement.

Child wearing a well-fitted Hatley pajama set with sleeves and pant legs at the wrists and ankles

What Fabric Is Right for Kids’ Pajamas?

Fabric can make a big difference in how pajamas feel at bedtime. Some kids prefer the familiar softness of cotton, while others may like a lighter, stretchier feel. Hatley offers both 100% cotton pajamas and bamboo pajama sets, giving families a few options depending on what feels best for their child.

When choosing between fabrics, let your child’s comfort be the guide. Ask what they prefer when you can, or take note of the pajamas they naturally reach for. Softness, weight, stretch, and ease of care can all help you find the right fit for your family.

  • Cotton: A familiar option for kids who prefer a soft, classic feel.
  • Bamboo styles: An option that may feel lighter or stretchier depending on the set.

Long Sleeves or Short Sleeves?

Child wearing a long-sleeve Hatley pajama set for cooler nights Child wearing a short-sleeve Hatley pajama set for warmer nights

As the seasons change, your child’s favourite pajamas might change with them. Long sleeves can add a little extra coverage on cooler nights, while short sleeves can feel more comfortable when things warm up.

The fabric matters too. A lightweight long-sleeve set can feel completely different from a thicker one, so think about the temperature of your child’s room, how warm they tend to sleep, and what they feel most comfortable wearing.

Check the Care Label Before Washing

Pajamas are made to be lived in, so easy care matters. Since washing instructions can vary from one style to another, always check the care label before the first wash. Following the recommended instructions can help pajamas keep their fit, feel, and overall condition over time.

Rather than assuming every cotton or bamboo style should be washed the same way, let the care label on each pair be your guide.

Choosing Pajamas Your Child Will Actually Want to Wear

Child in Hatley pajamas with a playful illustrated print

Fit, fabric, and comfort all matter, but sometimes the print is what really wins kids over. A pair of pajamas they’re excited to wear can make bedtime feel a little more fun and quickly become part of the nightly routine.

Hatley’s prints are illustrated in-house by our design team, so each one has its own playful personality. From figure skaters and tigers to plenty of other kid-approved favourites, choosing a print they love is one more way to make bedtime feel like their own.

Comfort, Fit and a Print They Love

The right pajamas should feel good, fit well, and suit the season, but they should also be something your child is happy to put on. Explore Hatley’s complete sleepwear collection to find cotton and bamboo styles, long and short-sleeve options, and pajamas for babies through older kids.


Frequently Asked Questions

What’s the most important thing to consider when choosing kids’ pajamas?Comfort and fit are a great place to start. Look for pajamas that fit your child well, feel good against their skin, suit the season, and make them happy to get ready for bed.

Is cotton or bamboo better for kids’ pajamas?There isn’t one fabric that works best for every child. Cotton can feel soft and familiar, while bamboo styles may feel lighter or stretchier. The best choice comes down to what your child finds comfortable, along with the weight, feel, stretch, and care needs of the pajamas.

What does a snug-fit label mean on kids’ pajamas?A snug-fit label means the pajamas are designed to fit close to the body rather than loosely. Choose the intended size and follow the fit guidance on the garment label.

Should I size up in kids’ pajamas so they last longer?It’s best to follow the size chart and fit guidance for the specific pajamas rather than automatically sizing up. Use your child’s measurements to help choose a size that fits comfortably and as intended.

What pajamas are best for a child who sleeps warm?Look for pajamas that feel lightweight and comfortable in your child’s usual sleep environment. Short sleeves, lighter fabrics, and less coverage may feel better for kids who tend to run warm, but their individual preferences should guide the choice.

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