Buffalo Plaid — Infant Onesie

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Rated 5.0 out of 5 stars
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Classic. Cozy. Just a little bit cheeky. Buffalo plaid is practically a Canadian birthright — and now your tiniest family member can wear it like t... Read More Read More

Classic. Cozy. Just a little bit cheeky.

Buffalo plaid is practically a Canadian birthright — and now your tiniest family member can wear it like the icon they are. The Buffalo Plaid Infant Onesie brings that timeless red-and-black check to the smallest size we make, with a faux trapdoor back that adds just the right wink of vintage fun. It's the kind of onesie that makes grandparents audibly gasp. You've been warned.

Crafted from 100% GOTS certified organic cotton that's soft, breathable and gentle on even the most sensitive new skin, this onesie is built for the long, beautiful hours of early parenthood. A full-length zipper glides smoothly from top to bottom for effortless diaper changes, and ribbed cuffs keep everything snug and secure through every nap, every feed, every cozy morning by the fire.

Part of the Buffalo Plaid family matching collection — because some traditions are worth starting from day one.

Made from 100% GOTS certified organic cotton. Designed in Vancouver, BC — with love from our family to yours.

Sizes: S (6M) · M (12M) · L (18M)

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$35.00 CAD
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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.

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.

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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What our customers say

5.0
Rated 5.0 out of 5 stars
Based on 1 review
Total 5 star reviews: 1 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
100%would recommend this product
1 review
  • P
    Patrick
    I recommend this product
    Rated 5 out of 5 stars
    4 minutes ago
    5 Stars

    Looks great.

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.