• Adult skeleton onesie costume for Halloween shown from the front, cozy fleece design with full-body bone print.
  • Front view of skeleton onesie for adults, black fleece onesie with bold white skeleton costume print.
  • Cozy skeleton onesie for adults, button-up fleece costume perfect for Halloween parties or lounging.
  • Model posing in adult skeleton onesie Halloween costume, cozy pajama-style kigurumi outfit.
  • Adult skeleton onesie costume doubling as comfy Halloween pajamas, full-body kigurumi style.
  • Back view of adult skeleton onesie for Halloween, loose kigurumi fit with white bone details.
  • Close-up of skeleton onesie hood detail with skull face design, part of the adult skeleton onesie costume.
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Skeleton Onesie

Skeleton Onesie

🎁 +FREE MYSTERY GIFT — ENDS SOON!

👘 Unisex Onesie Kigurumi

🌎 Free Worldwide Shipping

💆 Hassle-Free Returns

✈️ Estimated Delivery: 7-14 Business Days

$55.95
$111.90 $55.95
Sale Sold out
Tax included. Shipping calculated at checkout.
Size

SKELETON ONESIE

Step into spooky season with the ultimate skeleton onesie — cozy, comfy, and a little bit chilling. Perfect for Halloween parties, trick-or-treating, or just lounging at home, this onesie makes dressing up effortless.

Designed with soft fleece and a bold bone-print design, it’s equal parts costume and pajama. Whether you’re striking a spooky pose or curling up on the couch, this adult skeleton onesie keeps you comfortable all night long.

Pair it with friends for a group Halloween look, or wear it solo as your go-to skeleton onesie costume. However you style it, it’s a fun, easy way to celebrate October in comfort.

💀 “Spooky, scary, skeletons”
🎭 Works as pajamas, loungewear, or costume
🎃 Perfect for parties, lounging, or trick-or-treating

Official Skeleton Onesie Kigurumi

Core Features

  • Ultra-soft fleece fabric
  • Full-body onesie for warmth & coziness
  • Unisex adult kigurumi fit
  • Easy button-up (or zipper) closure
  • Pajamas, loungewear, or costume
  • Breathable & comfy year-round
  • Machine-washable & durable
  • Multiple sizes available

Sizing

 

Feet and Inches
Onesie Length (shoulder to ankle) Suggested Height
S 4'3" 4'9"-5'1"
M 4'7" 5'1"-5'5"
L 4'11" 5'5"-5'9"
XL 5'2" 5'9"-6'1"

 

Centimeters
Onesie Length (shoulder to ankle) Suggested Height
S 130 145-155
M 140 156-165
L 150 166-175
XL 160 176-189

 

More Sizing Details:

Feet and Inches
Bust Sleeve Shoulder
S 3'7" 1'7" 1'6"
M 3'9" 1'8" 1'6"
L 3'11" 1'10" 1'7"
XL 4'1" 1'11" 1'8"

 

Centimeters
Bust Sleeve Shoulder
S 110 50 46
M 115 53 48
L 120 57 50
XL 125 59 52

 

FAQ

  • What's a Kigurumi?
    Kigurumi is a onesie inspired by animal or character designs. Every Kigurumi is a onesie, but not every onesie is a Kigurumi.
  • How do I know my size?
    Check the "Sizing" tab and use the "Suggested Height" column to choose the best size. You can size up for baggier fit.
  • How do I wash my Kigurumi?
    Machine wash on a gentle cycle with cold water & air dry to maintain its softness.

Need more details? Visit our FAQ page for answers to all your questions!

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See what our 9.000+ Happy Customers Said

  • Said that Octoplush is their go-to gift for friends and family.

  • Said that Octoplush plushies are their favorite type of plush toys.

  • Rated Octoplush products 4.76/5 or higher.

Mystery Box

Because we know that our customers enjoy receiving gifts, we offer mystery boxes. Inside you can find products that are worth more than $60 and that will go along perfectly with your other plushies. Most of our customers are pleased with the gifts they receive. Join them.

Size S = $25+ of Value

Size M = $50+ of Value

Size L = $60+ of Value

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