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Bamboo Convertible Zip Sleeper | Nap By Numbers

$34.00 USD

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Size Newborn 0-3 months 3-6 months 6-12 months 12-18 months 18-24 months

Designed to fit snugly for safety — size up if between sizes.

$5 flat rate shipping Hassle-free 30-day returns & exchanges Secure checkout

Because bedtime should not require a math degree. Soft. Stretchy. Magical. One sleeper, two ways. Our stretch is great for bedtime routines that feel like a full-contact sport.

The stretchy zip-up sleeper that makes catching your little escape artist actually possible. While they're busy calculating their next great escape, you'll have them zipped up and ready for bed before they even know what happened.

One less chaotic equation at bedtime.

Our pajamas are great for hot sleepers who turn bedtime into a sauna and Olympic-level wiggle playtime before bed, after naps and in between. Our Nap by Numbers Zip is a convertible sleeper, that grows with your child. Made from premium 210gsm, this buttery-soft, breathable fabric is gentle on sensitive skin and naturally temperature-regulating, keeping little ones cool in summer and cozy in winter - comfort that lasts all year long.

*Our pajamas are designed to be a snug fit in accordance with federal safety standards. Our fabrics are not treated with flame-retardants. For your little one's safety our pajamas should fit snugly.

Why Families Love It

Convertible Sleeper - easily switches between footed sleeper and footless romper to grow with your child.
Super-soft Beurre de Lune™ Bamboo - gentle, breathable, and perfect for sensitive skin.
Seasonless comfort - naturally keeps little ones cool in summer and cozy in winter.

Care + Fabric

95% viscose from bamboo, 5% spandex
Machine wash cold, inside out, gentle cycle.
Only non-chlorine bleach when needed
Tumble dry low, cool iron if necessary

Details

✓ Made from bamboo that’s gentle on sensitive or eczema-prone skin.

✓ Printed label, no snaps, buttons or interior tags.

✓ One Fabric. Every season. Our fabric keeps your mini cool in the summer & cozy in the winter.

✓ Fold-over mittens for scratch-free sleep.

✓ Fold-over foot cuffs easily converts from a footless romper to footed sleeper.

✓ Two-way zipper so diaper changes are quick and simple.

✓ Designed to fit longer.

Made From
Bamboo
Buttery
Soft
One Fabric,
All Seasons
Stretch to
Fit Longer
Thermo
Regulating
Soothes
Sensitive Skin

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Let customers speak for us

from 67 reviews

These are absolutely adorable and very soft! I will definitely be buying another set for my daughter and her baby doll.

Erin H.

11/11/2026

My twins love their matching outfits with their baby dolls.

Ciera S.

11/10/2026

The best pajamas! The fabric is wonderful and my baby is always comfortable.

Kristen M.

11/10/2026

Lyocell Convertible Zip Sleeper | Midnight Butterfly Garden

The store owners were friendly and enjoyable to work with.

Anonymous

11/01/2026

love the soft feel of the Bamboo. I really like the fact that my granddaughter has matching p.j.s with her bitty baby.

Anonymous

11/01/2026

Bamboo Two-Piece Pajama | Deep in the Bluebonnets

beautiful pattern and buttery soft. I love these pajamas

Anonymous

11/01/2026

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So cute! I can’t wait to give it to my granddaughter and her “baby” for Christmas!

Janet B.

10/30/2026

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I love this outfit! It is so soft and the skirt is the perfect length. She does not trip on it when crawling!

Erica B.

10/28/2026

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A wonderful vendor with very helpful advice

Customer

10/19/2026

What little boy doesn’t love recycling trucks on his pajamas in the softest fabric? Unless your child is tall, you may want to downsize one size. They are generously cut.

Anonymous

10/19/2026