In stock
Adult Unicorn Onesie Costume - Rainbow Horn & Tail Jumpsuit
- SKU:
- cs50714
Size Chart
Same Day Dispatch
Order by 2pm AEST
Easy Returns
14 days
Posted from Australia
Fast local delivery
Product Details
What's Included
- White unicorn onesie jumpsuit with attached hood featuring embroidered unicorn face details, rainbow-striped belly panel, multicolored rainbow horn on the hood, rainbow-striped tail, and front zipper closure
The Adult Unicorn Onesie Costume is a full-length hooded jumpsuit in white plush with rainbow gradient accents – a 3D horn on the hood crown, horizontal-striped belly panel in pink-yellow-green-blue, and matching tail at the back. The hood features embroidered eyes and nostrils plus white ears for instant unicorn recognition.
Soft outer, and a relaxed unisex fit that works over regular clothing. The rainbow gradient panels run from neck to crotch and create a bold colour-block effect against the white base – playful, whimsical and immediately recognisable as fantasy fancy dress.
Key Features
- Hooded jumpsuit with 3D rainbow horn, ears and tail attached
- White body with rainbow gradient belly panel – pink, yellow, green, blue stripes
- Unisex relaxed fit – suits adult men and women
Perfect For
Hens Nights & Stag Dos: Whether it's a hens party pub crawl, bachelorette sleepover or bucks night novelty theme, this unicorn onesie delivers instant laughs and maximum comfort for group costume events.
Themed Parties & Fancy Dress Events: Ideal for rainbow parties, fantasy costume nights, Comic-Con casual cosplay, or any occasion that calls for playful novelty fancy dress – office Christmas parties, themed dinners, retro kigurumi nights.
Halloween & Winter Costume Events: The construction keeps you warm during outdoor halloween parties, winter carnival events or costume pub crawls where you need both style and insulation against the cold.
How to Wear It
Wear over a fitted top and leggings in winter for extra warmth, or solo with sneakers for indoor events. Keep makeup minimal – the costume is the statement. Pair with white or rainbow-striped socks and casual shoes; skip jewellery to maintain the whimsical onesie vibe.
Frequently Asked Questions
What size does this unicorn onesie fit?
This is a relaxed unisex adult fit designed to work over regular clothing. Refer to the size chart image on the product page for chest, waist and height measurements to find your best fit.
What's included with the costume?
You receive the hooded jumpsuit only with attached horn, tail, ears and rainbow belly panel. Shoes and any undergarments are not included – style with your own casual footwear.
Can I wear this to a stag or hens party?
Absolutely – the playful unicorn theme is a popular choice for hens nights, stag dos and bachelorette parties.
How do I style this for a themed party?
Keep it simple – the onesie is the full look. Wear with white sneakers or rainbow-striped socks, minimal makeup, and skip accessories. For group costumes, coordinate with friends in different animal onesies or matching unicorn suits.
How do I care for the fabric?
Hand wash cold in gentle detergent and dry flat to maintain the softness and rainbow gradient colours. Avoid tumble drying – the 3D horn and tail attachments can lose shape in high heat.
Care:Hand wash cold, dry flat. Avoid tumble drying.
Looking for more options? Browse all animal onesies or our animal costumes range.
Shipping, Returns & Support
Shipping, Returns & Support
We dispatch quickly from our Melbourne warehouse and offer reliable delivery across Australia. Easy returns and fast support are available if you need help.
Delivery
✔ Dispatch within 1 business day
✔ Same day dispatch before 2pm
✔ Australia-wide delivery with tracking
Returns
✔ Easy 14-day returns & exchanges on eligible items
When will my order arrive?
Most orders arrive within 2–6 business days depending on your location.
Can I return this item?
Yes, we offer easy 14-day returns on eligible items.
Need help choosing the right size?
Our team is online and ready to help — get a quick answer before you order.
Or email: [email protected]
Delivery timeframes shown anywhere on our website (including the postcode delivery estimator) are estimates only, based on Australia Post's published delivery standards, and are not guaranteed. We dispatch from our Melbourne warehouse; once an order leaves us, delivery is carried out entirely by Australia Post and is outside our control. We cannot be held responsible for delays caused by Australia Post, weather, peak or seasonal volumes, incorrect or incomplete addresses, or public holidays. Such delays are not grounds for a refund, replacement or cancellation.
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