Costume Onesie
$98 ( $88MEMBERS )
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Costume Onesie
$98 ( $88MEMBERS )
Sizes: View guide
No Adventurous colors available in this size.
Product Information +

Easy Head-To-Toe Costumes

You’re an adult, you can (and should) wear a Onesie on Halloween. Also, you’re an adult, get these Onesies as a costume and wear them year-round. Our Costume Onesies are made with the same signature softer-than-soft Micro Modal fabric for you to zip-up whether you leave the house to trick-or-treat, or just pretend you didn’t hear the doorbell and watch scary movies all night. Do you. In a Unicorn or Jack-o-lantern Onesie, of course.

It’s All In the Details

  • 92% MicroModal, 8% Elastane
  • Tapered cuffed leg
  • Center front zipper
  • Hood with a drawstring
  • Relaxed fit
  • Ethically Sourced
  • Low Impact Dyes
  • Imported

Free US Shipping & Returns

Orders are processed within 1-2 business days. Expected arrival times vary by location:

  • US: 2-7 business days
  • Canada: 1-3 weeks
  • International: 6-10 business days