Baby Pajamas for 12-18 Months

What Makes Our 12–18 Month Baby Pajamas Special?

Every detail of our pajamas is designed with intention—from the way they fit to how they feel.

Thoughtful Sizing for Growing Babies

Babies grow fast, which is why our 12–18 month pajamas are thoughtfully sized to keep up—snug in all the right places, with just enough room to grow. Need help finding the right size? Check our size chart to make sure you get the perfect fit.

Designed for Wiggly Sleepers

Whether your little one is rolling, crawling, or cruising, our pajamas are built to move with them. With zipper closures for quick changes, footed options for extra warmth, and just the right amount of stretch, they’re made to support sweet dreams and busy bedtime routines.

Gender-Neutral & Stylish

Our designs are clean, modern, and effortlessly cute—perfect for any baby. With soft hues, minimalist prints, and a gender-neutral approach, there’s something here for every little one, no matter their style.

How to Choose the Right Baby Pajamas

Choosing the right pajamas for your little one isn’t just about size—it’s about comfort, safety, and what fits your family’s routine best. Here are a few things to keep in mind:

• Think seasonally: In cooler months, go for long sleeves, footed styles, and cozy fabrics that hold in warmth. For warmer weather, lightweight, breathable pajamas help keep your baby cool and comfortable all night long.
• Footed vs. footless: Footed pajamas are great for extra warmth (especially for babies who kick off blankets), while footless styles allow more freedom of movement as they start standing or walking.
• Layering with sleep sacks: A pajama-and-sleep sack combo can be a safe and cozy way to regulate temperature without the need for loose blankets. Explore our other baby sleepwear and Baby Sleep Sack options to find your perfect layering setup.
• Focus on quality: Look for pajamas made from soft, breathable fabrics like our CloudBlend™—designed to be gentle on sensitive skin and durable enough for daily wear and frequent washes.

FAQs About 12-18 Month Baby Pajamas

Do 12-Month-Olds Need Footie Pajamas?

Not necessarily, but footie pajamas can be a great choice for 12-month-olds—especially in cooler weather or for babies who still love that bundled-up feeling. At this age, some little ones are on the move, so it’s important to balance warmth with mobility. Look for footed styles with flexible fabric that allow crawling or early walking without getting in the way. Ultimately, it comes down to your baby’s comfort, how active they are, and what keeps them cozy through the night.

Why Are 12-Month Pajamas So Tight?

Pajamas for 12-month-olds are made to fit snugly to meet safety standards, especially when crafted from natural fabrics like cotton. Since these materials aren’t treated with flame-retardant chemicals, a close fit helps reduce fire risks while also keeping the fabric from bunching or riding up during sleep. It’s a design choice rooted in both comfort and safety. If the fit feels too snug, it might be time to size up or opt for a softer, stretchier option—like our CloudBlend™ fabric, which gently moves with your baby all night long.

Do 12-Month-Olds Still Wear Onesies?

Yes—many 12-month-olds still wear onesies, and for good reason. They’re comfortable, easy to layer, and make diaper changes quick and simple. While some families begin to introduce more two-piece outfits around this age, onesies remain a favorite for sleep, play, and everything in between. It all comes down to what feels best for your baby and your daily routine.