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Sleepsuits & Rompers
15 styles
Sleepsuits and rompers in organic cotton, made for long naps and longer nights. Full-length snap fronts so you are not wrestling a sleepy baby at 2am, breathable fabric that does not overheat, and tagless seams that will not scratch. Sized for newborns through toddlers, in stock in the US and shipped fast.
- Organic cotton, tagless
- Free US shipping over $40
- Free 30-day returns
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Ola! Otter Frill Romper - Mixed Fruit | Organic Cotton | Sustainable | Comfortable Everyday Baby wear |
4.5 / 5.0
(2) 2 total reviews
Regular price $26.00Regular priceUnit price / perSale price $26.00 -
Half Romper - Pinwheel Parade | Red Half Romper | Organic Cotton | sustainable | Comfortable Everyday Baby wear |
5.0 / 5.0
(2) 2 total reviews
Regular price $24.00Regular priceUnit price / perSale price $24.00 -
Ola! Otter Baby Romper with Footies | Cozy Cotton Footed Sleeper romper | Organic Cotton | Sustainable| Onesie |
4.33 / 5.0
(3) 3 total reviews
Regular price $22.00Regular priceUnit price / perSale price $22.00 -
Ola! Otter Baby Romper with Footies - Cornflower Blue | Cozy Cotton Footed Sleeper romper | Organic Cotton | Sustainable| Onesie |
4.33 / 5.0
(3) 3 total reviews
Regular price $22.00Regular priceUnit price / perSale price $22.00 -
Ola! Otter Baby Romper with Footies - Dandelion Yellow | Cozy Cotton Footed Sleeper romper | Organic Cotton | Sustainable| Onesie |
4.33 / 5.0
(3) 3 total reviews
Regular price $22.00Regular priceUnit price / perSale price $22.00 -
Ola! Otter Baby Romper with Footies - Flamingo Forest | Cozy Cotton Footed Sleeper romper | Organic Cotton | Sustainable| Onesie |
4.33 / 5.0
(3) 3 total reviews
Regular price $22.00Regular priceUnit price / perSale price $22.00 -
Ola! Otter Baby Romper with Footies - Happy Camping | Cozy Cotton Footed Sleeper romper | Organic Cotton | Sustainable| Onesie |
4.33 / 5.0
(3) 3 total reviews
Regular price $22.00Regular priceUnit price / perSale price $22.00 -
Ola! Otter Infant Full Sleeve Romper - Cornflower Blue | Organic Cotton | Comfortable Everyday Baby Wear| Cozy Baby Sleep & Play Romper
4.7 / 5.0
(10) 10 total reviews
Regular price $24.00Regular priceUnit price / perSale price $24.00 -
Ola! Otter Infant Full Sleeve Romper - Dandelion Yellow | Organic Cotton | Comfortable Everyday Baby Wear| Cozy Baby Sleep & Play Romper
4.7 / 5.0
(10) 10 total reviews
Regular price $24.00Regular priceUnit price / perSale price $24.00 -
Ola! Otter Infant Full Sleeve Romper - Flamingo Forest | Organic Cotton | Comfortable Everyday Baby Wear| Cozy Baby Sleep & Play Romper
4.7 / 5.0
(10) 10 total reviews
Regular price $24.00Regular priceUnit price / perSale price $24.00 -
Ola! Otter Infant Full Sleeve Romper - Happy Camping | Organic Cotton | Comfortable Everyday Baby Wear| Cozy Baby Sleep & Play Romper
4.7 / 5.0
(10) 10 total reviews
Regular price $24.00Regular priceUnit price / perSale price $24.00 -
Ola! Otter Infant Full Sleeve Romper - Free Float | Organic Cotton | Comfortable Everyday Baby Wear| Cozy Baby Sleep & Play Romper
4.7 / 5.0
(10) 10 total reviews
Regular price $24.00Regular priceUnit price / perSale price $24.00 -
Ola! Otter Infant Full Sleeve Romper - Gummy Birds | Organic Cotton | Comfortable Everyday Baby Wear| Cozy Baby Sleep & Play Romper
4.7 / 5.0
(10) 10 total reviews
Regular price $24.00Regular priceUnit price / perSale price $24.00 -
Ola! Otter Infant Full Sleeve Romper - Fuzzy Fishes | Organic Cotton | Comfortable Everyday Baby Wear| Cozy Baby Sleep & Play Romper
4.7 / 5.0
(10) 10 total reviews
Regular price $24.00Regular priceUnit price / perSale price $24.00 -
Ola! Otter Infant Full Sleeve Romper | Organic Cotton | Comfortable Everyday Baby Wear| Cozy Baby Sleep & Play Romper
4.7 / 5.0
(10) 10 total reviews
Regular price $24.00Regular priceUnit price / perSale price $24.00
Customer favourites
The pieces families reorder most.
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Ola! Otter Organic Cotton Girl Leggings - Blue | Girl Bottoms | soft & comfortable | Printed & Solid Leggings
Regular price $18.00Regular priceUnit price / perSale price $18.00 -
Ola! Otter Organic Cotton Boys Shorts for Kids | Soft & Breathable Toddler Boy Bottoms | Everyday Bottom | Boys Bottom |
Regular price $18.00Regular priceUnit price / perSale price $18.00 -
Full Sleeved Romper - Sunny Yellow
Regular price $24.00Regular priceUnit price / perSale price $24.00 -
Ola! Otter Frill Romper - Mixed Fruit | Organic Cotton | Sustainable | Comfortable Everyday Baby wear |
4.5 / 5.0
(2) 2 total reviews
Regular price $26.00Regular priceUnit price / perSale price $26.00
More about Sleepsuits & Rompers
Sleepsuits and rompers in organic cotton, cut for babies and toddlers who sleep in what they play in.
Why organic cotton for sleepwear
A baby spends more hours in sleepwear than in anything else they own. Organic cotton breathes, so body heat escapes instead of building up, and the dyes are non-toxic too — not just the fibre.
Choosing a style
- Footed sleepsuits — for the under-ones, so feet stay covered without socks that kick off.
- Full-sleeve rompers — cooler months, with snaps the whole way down for fast changes.
- Half-sleeve rompers — summer nights and daytime wear, easy to layer under a tee
Sizing and care
0-3M through 18-24M for the baby styles. Machine wash cold, tumble dry low; the prints are dye-fixed and hold up. Free US shipping over $40 and free 15-day returns.





