Baby Onesies, Rompers & Sleepsuits

Dress baby comfortably for every part of the day with thoughtfully designed onesies, rompers and sleepsuits by The Elly Store. From daytime play and outings to cosy bedtime routines, these practical baby essentials are soft, easy to wear and made for the moments families repeat every day.

55 products

A baby sleepwear set in light blue, featuring a short-sleeve bodysuit, a long-sleeve footed sleeper, and the original window box packaging on a textured cream background.

Bamboo 2 Piece Set - Dusty Blue (Onesie & Sleepsuit)

$79.90

A 5-piece baby sleepwear set in a dusty sage green color

Bamboo 2 Piece Set - Green (Onesie & Sleepsuit)

$79.90

Bamboo 2 Piece Set - Light Pink (Onesie & Sleepsuit)

$79.90

Pink baby bodysuit and onesie set on a light background

Bamboo 2 Piece Set - Orchid (Onesie & Sleepsuit)

$79.90

Short-Sleeve Onesie - Blue Trains Pooh

$39.90

Short-Sleeve Onesie - Pink Harvest Pooh

$39.90

Short-Sleeve Onesie - Pink Stripes Pooh

$39.90

Short-Sleeve Onesie - Play Stripes Pooh

$39.90

Short-Sleeve Onesie - White Harvest Pooh

$39.90

New In

Short-Sleeve Onesie - Rainbow Hot Dogs

$39.90

New In

Short-Sleeve Onesie - Sleepy Cats

$39.90

New In

Short-Sleeve Onesie - White Floral Bunny

$39.90

Short-Sleeve Onesie - White Twinkle Stars

$39.90

Short-Sleeve Onesie - Picnic With Pooh

$39.90

Wrap Onesie - Cream Princess Icons

$39.90

Short-sleeve Romper - Blue Hello Mickey

$45.90

Short-sleeve Romper - Blue Road Trip Mickey

$45.90

Short-sleeve Romper - Sketch Mickey

$45.90

Short-Sleeve Polo Romper - Sailor Mickey Stripes

$45.90

Short-Sleeve Polo Romper - Nautical Mickey

$45.90

Mandarin-collared Polo Romper - Zodiac Mahjong

$45.90

Kate Onesie - Pink Hello Minnie

$45.90

Polo Dress Onesie - Sailor Mickey Stripes

$55.90

Tulle Onesie - Nautical Mickey

$55.90

New In

Tulle Onesie - Minnie Ice Cream

$55.90

Sleepsuit - Blue Playtime Pooh

$48.90

Sleepsuit - Blue Trains Pooh

$48.90

Sleepsuit - Fuchsia Playtime Pooh

$48.90

Baby Clothing designed for everyday changes

Baby dressing should feel simple. Our pieces are designed to be comfortable for little ones and practical for parents, with easy-to-wear shapes that make everyday changes less of a fuss.

More Nursery Basics for Baby

Swaddles Blankets Sleeping Bags Bamboo Pillows Classic Baby Gift Sets Deluxe Keepsake Gift Sets

Frequently Asked Questions About Baby Onesies, Rompers & Sleepsuits

What is the difference between a baby onesie, romper and sleepsuit?

A onesie is a versatile baby essential that can be worn as a layer or with bottoms. A romper is an all-in-one daytime outfit with a top and bottom combined. A sleepsuit is an all-in-one piece designed for naps and bedtime, offering comfortable coverage for sleep.

How many onesies, rompers and sleepsuits does a baby need?

Every family’s routine is different, but having several changes on hand is useful for feeds, spills and frequent laundry. A mix of 3-4 of each item (everyday onesies, easy rompers and comfortable sleepsuits) helps cover play, outings and sleep throughout the week through laundry.

How to choose between baby onesies, rompers and sleepsuits?

Each style has a different role in a baby’s wardrobe. Onesies are versatile everyday layers that pair easily with bottoms or sit comfortably under a cardigan. Rompers give babies a complete, easy outfit for playtime, visits and warm days. Sleepsuits provide gentle all-in-one coverage for naps and bedtime. Choose a few of each so there is always a comfortable change ready for feeding, play, sleep and laundry days.

What sizes are available for The Elly Store baby essentials?

Our baby onesies, rompers and sleepsuits are available from 3M to 2Y. Please refer to the size guide on each product page for garment measurements and fit guidance.

Are onesies, rompers and sleepsuits good newborn gifts?

Yes. These are practical gifts that new parents use often. Choose a favourite print, or add baby essentials to a build-your-own gift set for a useful and personal welcome gift.

Do you have Disney baby onesies and rompers?

Selected styles are available in Disney | elly licensed prints, alongside The Elly Store’s original designs. Available prints and sizes vary by collection, so please check the product listings for the current range.

Can I shop baby onesies, rompers and sleepsuits in store?

You are welcome to visit The Elly Store at One Holland Village. Store and online availability can differ, so please contact the store if you are looking for a particular style or size.