Infant Bodysuits & Baby Onesies

Bodysuits are the foundation of a newborn wardrobe, but babies grow fast and need options for every season and stage. These related categories are made with the same organic cotton and chemical-safety standards as our bodysuits.

Sleep Sacks

Once your baby outgrows swaddling, a sleep sack is a safe next step for naps and nighttime. Layer a bodysuit underneath and choose a TOG rating to suit the season. Shop organic sleep sacks →

Rompers

When a plain bodysuit needs an upgrade, our one-piece rompers offer the same easy changing access with a bit more style, great for outings and photos. Shop baby rompers →

Two-Piece Sets

Matching top-and-bottom sets give you the coverage of a bodysuit with the flexibility of separates, easy to mix, match and layer between seasons. Shop two-piece sets →

Footies

For full-body coverage without socks, our footies extend the same organic cotton comfort from head to toe, ideal for cooler months or overnight wear. Shop baby footies →

Sleep Gowns

Designed for the newborn stage, sleep gowns make 2am diaper changes quick, with an open bottom hem instead of snaps or zips. Shop sleep gowns →

Frequently Asked Questions

What's the difference between a bodysuit and a onesie?

They're the same thing. A baby bodysuit is a one-piece top that snaps closed under the diaper, and "onesie" is the everyday name many parents use for it. Bodysuits can be worn on their own in warm weather or as a base layer under other clothes.

What is a kimono bodysuit?

A kimono bodysuit wraps across the front and fastens with side snaps, so there's nothing to pull over your baby's head. That makes it easier to dress a floppy newborn, and it sits comfortably away from the umbilical cord stump in the first weeks.

Why do bodysuits have folded shoulders?

Many bodysuits have overlapping "envelope" shoulders. They let you pull the bodysuit down over your baby's shoulders and legs after a diaper blowout, instead of pulling a messy garment up over their head.

How many bodysuits does a newborn need?

A practical starting point is 7–10 bodysuits for the first few months, with a mix of short and long sleeves. Babies often need more than one change a day, so extras save on laundry.

Short sleeve or long sleeve: which should I buy?

Short-sleeve bodysuits are ideal for warm weather and for layering under footies, rompers or sweaters. Long-sleeve bodysuits add warmth on their own in cooler months. Most parents keep some of each.

What are monthly milestone bodysuits?

Milestone bodysuits are printed with your baby's age, such as "1 month" or "2 months," so you can take a photo each month and watch them grow. They also make a thoughtful baby shower gift.

What size bodysuit should I buy?

Most babies fit Preemie–Newborn or 0–3 months at birth, but many outgrow newborn sizes within a few weeks. Check each brand's size guide against your baby's weight and length, and size up if they're between sizes. Use the size filter on this page to shop by age.

Do you offer free shipping and returns on baby bodysuits?

Yes. Every order ships free with hassle-free returns, and first-time customers get 10% off at checkout, up to a maximum discount of $75. See our shipping and returns pages for details.