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Cozy Critters Originals

Adult Froggy Onsie

Adult Froggy Onsie

 500+ reviews
$72.99
$72.99 $123.99
SAVE 41% Sold out
Size Guide
Adult Froggy Onsie

Adult Froggy Onsie

$72.99
$72.99 $123.99
SAVE 41% Sold out
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My daughter will not take this off. Like, we had to negotiate for bath night. The hood eyes are her favorite part — she calls him "Mossy" now, which is apparently his name.

-Sophia R
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🧸

Ultra-Plush Fleece

Soft inside & out

👀

Floppy Frog Hood

Googly eyes included

🎒

Lily-Pad Pocket

Room for tiny treasures

🤐

Easy Back Zip

Fast, fuss-free changes

🧺

Machine Washable

Built for real kids

From Tadpole to Couch Potato

Cozy Critters started with one mission: make pajama time the best part of the day. Mossy the Frog Onesie wraps your little one snout-to-toes in ultra-soft fleece, with a floppy hood, googly eyes, and a happy froggy grin that turns bedtime into playtime.

What's Inside?

Every Cozy Critters box includes everything you need to get cozy.

Monster Onesie

Ultra-soft, oversized onesie for maximum comfort and chaos.

Large Pink Comb

Perfect for taming the wild (or just looking fabulous).

Why Cozy Critters Feel So Good

The little details parents (and kids) notice
🎭

Floppy Hood

Soft, roomy, with a happy froggy face kids love to wear.

👜

Big Front Pocket

Fits a phone (yours), a toy, and a snack — at the same time.

🧶

Double-Layer Fleece

Plush outside, brushed-soft inside. Buttery warm, all year.

🧦

Cuffed Sleeves & Ankles

Stays put during somersaults, snack time, and naps.

Find Your Fit — Adult Sizing

Designed for an oversized, silly-on-purpose fit. Premium coral fleece, machine washable.
SizeHeightWeight
Small (S)4'11"–5'1"88–110 lbs
Medium (M)5'1"–5'5"110–143 lbs
Large (L)5'5"–5'7"143–165 lbs
X-Large (XL)5'7"–5'11"165–187 lbs
XX-Large (XXL)5'11"–6'1"187–198 lbs
Adult size chart
Tip: Designed for an oversized fit. If you're between sizes, choose larger for max coziness.

Premium coral fleece · Machine washable
*Measurements are approximate.*

Frequently Asked Questions

What's it made from? +
Plush brushed fleece on the outside, soft sherpa-style lining inside. 100% polyester, gentle enough for everyday wear.
How does it fit? +
True to size with a little extra room — great for layering. Check the size guide if your kiddo is between sizes; we recommend sizing up.
Can my kid wear it outside? +
It's designed for indoor cozy time, but plenty of families let theirs hop around the backyard too. Not a substitute for a winter coat in the snow.
How do I wash it? +
Machine wash cold on gentle cycle, tumble dry low. Avoid fabric softener — it can flatten the plush fleece over time.
Is it safe for sensitive skin? +
Yes — the fleece is brushed extra soft with no rough seams against the skin. We recommend washing before first wear.
4.9
★★★★★
Based on 412 reviews
Quality
Comfort
True to Size
Summary, from recent reviews: Parents consistently praise how soft and warm the fleece feels, and how excited kids get about the frog hood and googly eyes. Most say it runs true to size with a little extra room, great for layering. Several call it their child's favorite thing to wear for bedtime and lazy mornings alike.
Jenna R.Verified Buyer
★★★★★
My daughter will not take this off. We had to negotiate for bath night. The hood eyes are her favorite part — she calls him Mossy now.
Fit: True to Size
Derek M.Verified Buyer
★★★★★
Bought this for my nephew's birthday and now I need one in adult size for myself honestly. The fleece is unreal for the price.
Quality: Excellent
Priya S.Verified Buyer
★★★★★
Sized up to M for my tall 5-year-old based on the guide and it fit perfectly with room to grow. Washed it twice already, holding up great.
Fit: Sized Up
Amanda K.Verified Buyer
★★★★★
The pocket is the unsung hero here — my son keeps his lucky rock in it at all times. Easy zip for a 4-year-old to manage himself. 10/10.
Comfort: Excellent