Nature Calling Baby Sleep Sack

A little woodland charm for your littlest nature lover. Our Nature Calling Baby Sleep Sack features wandering white bears and a forest of evergreen... Read More Read More

A little woodland charm for your littlest nature lover. Our Nature Calling Baby Sleep Sack features wandering white bears and a forest of evergreen trees against a beautiful muted juniper green. Made from 100% organic cotton interlock, this sleeveless sleep sack brings the peaceful feel of the great outdoors to your baby's bedtime routine, with a convenient two-way zipper for easier diaper changes.

Product Features

  • 100% organic cotton interlock

  • GOTS Certified Organic Cotton

  • 1.0 TOG rating

  • Two-way front zipper for easy dressing and diaper changes

  • Sleeveless design with a rounded neckline

  • Roomy, rounded bottom

  • Coordinating juniper green trim around the neckline and armholes

  • Muted juniper green with white bear and evergreen tree illustrations

  • Designed in Vancouver, BC

Keep the woodland theme going. Explore the Nature Calling Juniper Collection for coordinating baby essentials and matching styles.

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$40.00 CAD
$40.00 CAD
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Nature Calling Baby Sleep Sack - Millie + Moose
Nature Calling Baby Sleep Sack - Millie + Moose
Nature Calling Baby Sleep Sack - Millie + Moose
Nature Calling Baby Sleep Sack - Millie + Moose
Nature Calling Baby Sleep Sack - Millie + Moose
Nature Calling Baby Sleep Sack - Millie + Moose

Need help finding your size? Check out our SIZE GUIDE

Other Styles in This Collection

Made with Heart

Every print starts with a spark — a sketch inspired by the woods, the laughter echoing through the cabin, the smell of pine and pancakes. We don’t chase trends; we design stories you can wear. Each pattern is created in-house by our family, for real families.

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Rooted in Family Tradition


Millie + Moose began in a Canadian family workshop — where bedtime stories met fabric and tradition met design. What started as small-batch pajamas for gift shops has grown into something we never expected: a brand that connects thousands of families across Canada through matching moments.

Comfort You Can Feel Good About

We use GOTS certified organic cotton and thoughtful fabrics because comfort should feel good in every sense. Soft on skin, gentle on the planet, and safe for the little dreamers who live in these PJs.

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Three young girls in red and black plaid dresses sitting next to a vehicle.

FAQ's

Got questions about our PJs? You’re in the right place — we’ve gathered all the answers families ask most, so you can shop cozy with confidence.”

Where Millie + Moose is Made

At Millie + Moose, every pair of PJs starts right here in Vancouver, BC — dreamed up by our family for yours. We partner with certified, ethical factories in across the world to bring those designs to life. Our team visits partner manufacturers at least four times a year to make sure every stitch meets our standards for softness, safety, and care. Because cozy should always feel good — inside and out.

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About Our Fabrics

How to Care for Your PJ's

Shipping

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What our customers say

Care

Life’s messy — laundry shouldn’t be. Machine wash cold with like colors, skip the harsh bleach, and tumble dry low. Remove while warm for that just-right softness, and iron if needed.

Free Shipping

Spend $125 or more and we’ll cover the shipping — a little thank-you from our family to yours.

Your order will ship within 24 hours - Monday to Friday.

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