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Newborn Onesies

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  • What sizes are available for newborn onesies at Old Navy?
  • Is 0-3 months too big for a newborn?
  • What types of newborn onesies does Old Navy offer?
  • What materials are used in Old Navy newborn onesies?
  • How do I choose between a bodysuit and a footed one-piece?
  • What is a 2-way zip, and why is it helpful?
  • Can newborn onesies be layered with other clothing?
  • Are Old Navy newborn onesies available in multi-packs?
  • What is the price range for newborn onesies at Old Navy?
  • How should I care for newborn onesies to keep them soft?

Frequently Asked Questions For Newborn Onesies

Our newborn onesies come in a range of sizes designed to fit your growing baby, starting from preemie and newborn sizes up through 0-3 months and beyond. Check individual product listings for specific size availability to ensure a snug yet comfortable fit.

This depends on your baby's weight and length. Many newborns fit comfortably in a dedicated newborn size (typically up to about 7 lbs), while larger newborns may go straight into 0-3 months. Having a few pieces in each size on hand means you'll be prepared either way.

Our collection includes short-sleeve and long-sleeve bodysuits, 2-way-zip sleep & play footed one-pieces, sleeveless rompers, ribbed styles, pointelle-knit options, and graphic bodysuits. You can browse the full range of baby bodysuits to find the perfect style.

Our newborn onesies are crafted from soft, breathable fabrics like cotton and ribbed knits that are gentle on your baby's delicate skin. Each piece is designed to be durable enough to withstand daily wear and frequent washing while staying comfortable.

Bodysuits work well for layering under pants or as standalone tops in warmer weather, while footed one-pieces like our 2-way-zip sleep & play styles are ideal for sleep time and cooler days since they keep little toes covered. Many parents stock up on both.

A 2-way zip can be unzipped from the top or the bottom, making diaper changes quick and easy without fully undressing your baby. This is especially useful during nighttime changes when you want to keep your little one as settled as possible.

Our onesies can be worn alone on warmer days or layered under baby dresses and rompers, pants, or outerwear for added warmth in cooler weather. Mix and match with other baby essentials to create adorable, practical outfits.

We offer multi-packs including 2-packs, 3-packs, and 5-packs of sleep & play footed one-pieces and bodysuits. These packs are a great value and ensure you always have a fresh onesie ready to go.

Prices start as low as around $5 for individual bodysuits and range up to about $75 for 5-packs at full price. Many styles are frequently on sale with discounts of 50% off or more, so you can stock up on essentials without breaking the bank.

Our onesies are designed with easy care in mind—simply machine wash and tumble dry according to the care label. Using a gentle detergent and avoiding high heat helps maintain the softness and shape of the fabric over time.

Welcome your little one with the ultimate in comfort and style with our collection of newborn onesies. Designed with soft, breathable fabrics, these essential garments ensure your baby stays cozy and comfortable throughout the day. Featuring gentle snaps and easy closures, our onesies make diaper changes a breeze, allowing parents to focus on what truly matters—spending quality time with their newborn. With a variety of colors and patterns, you can easily find the perfect onesie to suit your baby's personality.


Our newborn onesies are crafted with the utmost care, prioritizing your baby's delicate skin. Each piece is made from high-quality materials that are both soft and durable, ensuring they withstand the rigors of daily wear and washing. The thoughtful design includes ample stretch for easy movement, allowing your little one to explore and play comfortably. Whether it's for lounging at home or a family outing, these onesies provide the perfect blend of functionality and style.


Versatility is key when it comes to newborn onesies. They can be worn alone during warmer days or layered under blankets and outfits for added warmth in cooler weather. With a range of long-sleeve and short-sleeve options, you can easily adapt to changing temperatures. Mix and match with other baby essentials to create adorable outfits that are both practical and fashionable, making dressing your newborn a delightful experience.


Choosing the right newborn onesie is essential for both comfort and convenience. Our collection offers a variety of sizes and fits to accommodate your growing baby, ensuring a snug yet comfortable fit. With easy care instructions, these onesies are designed to simplify your parenting journey, allowing you to spend more time cherishing those precious moments. Explore our selection today and discover the perfect onesies for your little bundle of joy!