One-piece transformation
A single zip-up onesie creates the complete clothing look.
ONE ZIP TO HALLOWEEN
Horror Zip Onesie
Turn one comfortable flannel onesie into a complete horror-inspired Halloween look for parties, cosplay and themed events.
- Soft flannel one-piece costume
- Four horror-inspired styles
- Machine washable
- Free tracked U.S. shipping
FIND YOUR FIT
US adult unisex sizing.
Use height, chest and waist measurements to choose your size.
| Size | Height | Chest | Waist |
|---|---|---|---|
| S | 5'2"–5'6" | 34–37" | 28–31" |
| M | 5'5"–5'9" | 38–41" | 32–35" |
| L | 5'8"–6'0" | 42–45" | 36–39" |
| XL | 5'11"–6'3" | 46–49" | 40–43" |
| 2XL | 6'1"–6'5" | 50–53" | 44–47" |
Measurements are shown in inches.
COMFORT MEETS CHARACTER
Zip into your Halloween look.
The Horror Zip Onesie combines soft flannel comfort with a full one-piece costume. Choose from four styles for Halloween parties, cosplay and horror-themed events.
CHOOSE YOUR CHARACTER
Built for a frightfully comfortable night.
Pick a style and size for every item in your pack.
Soft flannel
Made from flannel for a comfortable full-body costume.
Four styles
Choose Black Ghost Face, Michael Myers, Jason Voorhees or Joker.
Machine washable
Machine wash for straightforward care after wearing.
CUSTOMER STORIES
What customers say.
Genuine customer feedback will appear after it is added in the theme editor.
Really impressed with the material and overall quality. Everything arrived quickly and looked just like the photos. Getting four costumes in one set made it perfect for our friend group, and the price was totally worth it!
The quality is way better than I expected! The fabric feels comfortable and not cheap at all. Shipping was super fast too. The 4-piece set is such a great deal — my friends and I wore them together and had the best Halloween night!
Such a fun Halloween set! The costumes are well-made, comfortable to wear, and arrived sooner than expected. I love that it comes with four pieces because we could all match as a group. Definitely made our Halloween extra memorable.
GOOD TO KNOW
Questions before ordering?
Helpful answers based on confirmed product and store information.
What is included?
Each unit includes one Horror Zip Onesie. Masks and accessories are not included.
Which styles are available?
Choose Black Ghost Face, Michael Myers, Jason Voorhees or Joker.
Which sizes are available?
Sizes S, M, L, XL and 2XL are available. Use the size guide on this page before ordering.
Can each item in a pack be different?
Yes. Choose the style and size separately for every item in a Duo, Trio or Party Pack.
How do I wash it?
The flannel onesie is machine washable.
How long does U.S. delivery take?
Shipping is free within the United States. Tracking is included and estimated delivery is 7–10 days.
What is the return policy?
For a product issue reported within 30 days, a refund or replacement is available. For a personal-reason return, the item must be undamaged and the customer pays return shipping.
KEEP THE FRIGHT GOING
You may also like
More Halloween favorites from Frightly.
Dark Rider Pet Costume
Creepy Doll Pet Costume
Pumpkin Cape & Hat Set
READY TO ZIP IN?
Choose your Halloween character.
Pick your style, size and pack for a frightfully comfortable Halloween.
Choose your pack
$48.95 · Secure Shopify checkout