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Rainbow Onesie
Rainbow Onesie
Rainbow Onesie

Rainbow Onesie

$58.00 $59.99
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Size Youth
Size-Details: S
Quantity:

Size Guide

Hoodies

Size Length Width Sleeve
Youth S 21” 14.5” 15.5”
Youth M 19” 16” 17”
Youth L 21” 17” 19”
Youth XL 22” 18.5” 22”
Adult S 26” 19” 22”
Adult M 27.5” 20” 23.5”
Adult L 29” 22” 24”
Adult XL 29” 23” 24”
Adult XXL 30” 25” 26”

Tees

Size Length Width Sleeve
Youth S 21” 15” 5.5”
Youth M 22” 16” 6”
Youth L 23” 17” 6.5”
Youth XL 24” 18” 7”
Adult S 29” 18” 8”
Adult M 29” 20” 8”
Adult L 30” 22” 9”
Adult XL 31” 24” 10”
Adult XXL 32” 26” 10”
Hoodies

Size Guide

Hoodies

Size Length Width Sleeve
Youth S 21” 14.5” 15.5”
Youth M 19” 16” 17”
Youth L 21” 17” 19”
Youth XL 22” 18.5” 22”
Adult S 26” 19” 22”
Adult M 27.5” 20” 23.5”
Adult L 29” 22” 24”
Adult XL 29” 23” 24”
Adult XXL 30” 25” 26”

Tees

Size Length Width Sleeve
Youth S 21” 15” 5.5”
Youth M 22” 16” 6”
Youth L 23” 17” 6.5”
Youth XL 24” 18” 7”
Adult S 29” 18” 8”
Adult M 29” 20” 8”
Adult L 30” 22” 9”
Adult XL 31” 24” 10”
Adult XXL 32” 26” 10”
Hoodies
30 Day Returns
Worldwide Shipping
Customer Support
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This ultra-cozy onesie is incredibly soft yet breathable, making it ideal for any casual day. Plus, it's our first onesie to feature a convenient rear zipper! Don't miss out—grab yours now while this limited-edition run lasts, just in time for the holidays!

Materials and Care:
- Made from 70/30 poly-cotton one-way fleece.
- Wash with warm or cold water and tumble dry on low heat for lasting softness.

Shipping

Order Processing: Orders are processed within 48 hours, Monday through Friday.

  • Domestic Shipping:
  • Express: 2-3 business days
  • Standard: 4-8 business days
  • Free Shipping: On orders over $125

International Shipping: Up to 14 days; costs and taxes collected at checkout. For more details, please see our Shipping Policy.

Returns & Exchanges

Returns are accepted within 30 days if items are unused, unopened, and in new condition. International returns are not allowed. For more information, including how to initiate a return, visit our Returns Page. 
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Left Image

Receive a Special Video From
Rebecca Zamolo

Spend $200 on Zamfam merch and unlock a personalized video message from Rebecca herself! Once you make your purchase, we’ll email you with all the details to make it happen.

Our Story

Rebecca's Favorites

Pink strawberry Zamfam hoodie. Closeup of pink strawberry Zamfam hoodie.
Strawberry Hoodie $48.00
Pink lip gloss. Lip gloss opened.
Zamfam Lip Gloss $16.00
Pink tee with an ice cream design. Close up of the pink tee with an ice cream design.
Ice Cream Tee $28.00
Zamfam backpack. Inside the Zamfam backpack.
Zamfam Backpack $50.00
Slime Bundle Slime Bundle
Slime Bundle $30.00 $36.00
Glow Z Tee Glow Z Tee
Glow Z Tee $28.00
Blue Zamfam hoodie featuring Zamfam text on the sleeve and center. Close up of the center of the blue Zamfam hoodie.
Gradient Z Hoodie $48.00
RZ Beanie RZ Beanie
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Teal tee with a Zamfam design and confetti. Close up of the teal tee with a Zamfam design and confetti.
#Zamfam Tee $28.00
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Press On Nails $13.00
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Ice Cream Tee $28.00
Zamfam backpack. Inside the Zamfam backpack.
Zamfam Backpack $50.00
Slime Bundle Slime Bundle
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Glow Z Tee Glow Z Tee
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Customer Reviews

Based on 257 reviews
84%
(216)
7%
(18)
4%
(10)
1%
(3)
4%
(10)
f
francis shekinah
i l0ve it

nice nice nice

R
Rachel
Hi

Hi I love your merch

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𝙱𝚘𝚘𝚔𝚜

I had so much fun reading these books. I love your YouTube videos and this was the best website ever.

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s
shepherd brandon and cozi brandon
i love you Rebecca you are my favorite

hey Rebecca i watch your videos all the time and i watch your really old ones with my sister valeria and me cozi and can we make a boy’s vs girls the boy’s in the truck the girls in your pink jeep 10 min’s to get your supplies and 10 min’s to get your food and Zadie as to come and do you live in Utah? cause we live in Utah me and my sister want to be in the video

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M
Millie Hale
The surf is awesome

Stuff works really really good and is awesome.

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