Cotton Muslin Romper  - Planetary
Cotton Muslin Romper  - Planetary
Cotton Muslin Romper  - Planetary
Cotton Muslin Romper  - Planetary
Cotton Muslin Romper  - Planetary
Cotton Muslin Romper  - Planetary

Cotton Muslin Romper - Planetary

5 reviews
Regular price $ 40.00 Sale price $ 28.00 30% off
46 in stock

Our newest rompers combine our signature, hand-painted prints with 2 layers of breathable, 100% cotton muslin for a versatile, all-season outfit perfect for babies to toddlers. Layer it over neutrals or wear it alone for an easy, breezy summer ensemble. With a top-to-bottom zipper, diaper changes or potty breaks are quick and easy.

  • Wash with like fabrics
  • Machine wash cold
  • Do not iron
  • Do not bleach
  • Tumble dry low
  • Wear year round as lounge wear, alone or with layers
  • Featured in our signature, hand-painted prints
  • Made with 2 layers of premium, 100% cotton muslin
  • Wide leg fits loose for comfort and functionality over diapers
  • Cuffed “jogger-style” leg allows for bare-feet, socks or shoes; push up or down for styling
  • Provides maximum airflow while keeping baby comfortable year round
  • Two-way zipper for easy diaper changes or potty breaks
  • Gets softer with each wash
  • 1.1 TOG
  • Please note that slight variations in the richness and depth of color in our prints may occur due to the nature of our manufacturing process.
  • Medium: 6-12 months; 16-24 lbs; 26"-30"
  • Large: 12-18 months; 20-28 lbs; 28"-32"
  • XLarge: 18-24 months; 27-30 lbs; 30"-35"
Customer Reviews
5.0 Based on 5 Reviews
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United States United States

The best

I love these rompers for my little boy. I wish they made more patterns.


Little Unicorn

We are so glad you are loving our rompers! We are always working on getting more patterns out, so hopefully you will see some more patterns you like out soon! :)

United States United States


Our favorite clothing for our little one hands down. Please make more prints in these rompers - they are everything!!!! I wish someone told me about these rompers with the zipper before I bought all this other clothing that was no longer good after one or two uses. Little Unicorn combines style with practicality and extreme comfort. I’ve done my research, truly they are the only one that does it all.


Little Unicorn

We are so grateful for your support and love for our products!! Thank you :)

Karina V.
United States United States

Love it!

We needed something lighter than the warm jammies for sleeping, but it was so hard to get the tight-fitting thin jammies on my son. We use this with a regular long sleeve or short sleeve top on warmer nights and it’s perfect!

Quality you can feel

Why parents choose our muslin time and time again

Premium quality

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Lightweight and breathable

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An over-under weave makes muslin more resilient to frequent use and washing. That’s why we love it on so many products!


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Detailed design

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Our team has been researching, developing and improving muslin fabric and its design for over 20 years.

NEW — Organic Muslin

100% certified organic cotton muslin. A more natural and clean process featuring new prints and neutral solids.

Cotton Muslin

Exceptionally breathable and long lasting, our standard cotton muslin is a must-have for every-day parenting.

Deluxe Muslin

Silky, buttery soft is the best way to describe our deluxe muslin made of rayon from bamboo.