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Baby Rompers (3M–24M)

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Shop baby rompers in sizes 3M through 24M from Mabel and Honey, Isobella & Chloe, and Beckett and Bear — soft one-piece outfits in knit, cotton gauze, and rayon, with flutter sleeves, ruffles, bows, and bubble shapes. A romper is the easiest complete outfit for a baby: one piece to put on, nothing riding up, and nothing to match.

What to look for in a baby romper

Comfort and quick changes matter most. Look for soft, breathable fabrics like cotton knit and gauze that feel gentle on delicate skin, closures that make diaper changes easy, and leg openings with a little stretch so she can kick, crawl, and nap comfortably. Sleeveless and short-sleeve rompers are best for warm weather and layering; long-sleeve and bubble rompers work well for cooler days and holidays.

Romper styles we carry

Everyday rompers in printed knits and gauze for playdates and daycare. Bubble rompers with a gathered leg for a sweet, rounded shape that photographs beautifully. Flutter-sleeve and ruffle rompers for a dressier look. Many of our rompers share prints with a matching girls' dress or two piece set, so it's easy to coordinate a baby with her older sister.

How to choose the right baby size

Baby sizes are listed by months (3M to 24M), but babies grow at different rates, so go by height and weight rather than age. Rompers need room through the body and the diaper area, so if she's between sizes, size up. Our sizing chart lists measurements for every size.

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Why shop Mabel and Honey for baby rompers

We've been designing children's clothing since 2007 as a family-run company, and our styles are carried by retailers like Nordstrom and Von Maur. Every romper is designed in-house and fit-tested on real kids, so it's cut for how babies move — not just scaled down from bigger sizes.

Frequently asked questions

What's the difference between a romper and a onesie?
A onesie is a basic bodysuit usually worn as a base layer, while a romper is a complete outfit with its own style details — sleeves, ruffles, prints, and a shaped leg — meant to be worn on its own.

What is a bubble romper?
A bubble romper gathers at the leg openings to create a rounded, puffed shape. It's a classic look for photos and holidays.

Are your baby rompers machine washable?
Most of our everyday rompers are machine washable. Check the care label on each product page, since styles with delicate trim may need gentle washing.

Do you have rompers that match sister dresses?
Yes — many of our romper prints also come as girls' dresses or two piece sets in toddler and big girl sizes.