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Kpop Demon Hunters Costume: Where to Buy & What to Know

James Oliver Mercer Cooper • 2026-06-14 • Reviewed by Ethan Collins

You don’t need to be a K-pop fanatic to want one of the sharp outfits from KPop Demon Hunters. The Netflix film’s characters — Rumi, Mira, and Zoey — each bring a distinct style that’s already inspiring Halloween and cosplay plans.

Official Netflix film: KPop Demon Hunters (2025) · Age range (Rumi costume): 5–6 years · Retailers: Smyths Toys, Amazon, Etsy, The Costume Shop · Key feature: Structured epaulette and digital print

Quick snapshot

1Confirmed facts
  • Netflix released KPop Demon Hunters film in 2025 (Netflix Tudum)
  • Smyths Toys Ireland sells the Rumi costume for ages 5–6 (Smyths Toys)
  • The Costume Shop Ireland offers a “Pop Star Demon Hunter – Rumi Tracksuit” (The Costume Shop)
  • Etsy has handmade/custom K-pop demon hunter costumes (Etsy marketplace)
  • Amazon lists multiple costume options (Amazon)
2What’s unclear
  • Exact theatrical release date of the film is not publicly confirmed (Netflix Tudum)
  • Adult costume availability is limited – official adult sizes only sold online through Spirit Halloween and Netflix Shop (Netflix Tudum)
  • No word on whether additional characters (e.g., Mira, Zoey) will have separate official costumes (Netflix Tudum style guide)
3Timeline signal
  • Kids’ costumes expected in Spirit Halloween stores and online in early October 2025 (Netflix Tudum)
  • Adult costumes launch online only at Spirit Halloween around the same time (Netflix Tudum)
  • Netflix Shop released a cosplay collection ahead of Halloween 2025 (Netflix Shop)
4What’s next
  • DIY and cosplay community likely to expand on looks from the Netflix style guide (Netflix Tudum style guide)
  • More online retailers may stock costumes as Halloween approaches (Very Ireland listing)
  • Demand for adult-sized options could drive additional custom Etsy offerings (Etsy)

Four key specs define the official Rumi costume — here they are side by side.

Attribute Value Source
Film release 2025 on Netflix Netflix Tudum
Age range (Rumi) 5–6 years Smyths Toys
Material Polyester blend Smyths Toys
Official retailer (Ireland) Smyths Toys Smyths Toys
Price (kids) $59.99 (Spirit Halloween) Netflix Tudum
Price (adults) $69.99 (Spirit Halloween) Netflix Tudum
Included items (Rumi) Jacket top, shirt, skirt (wig, sword, boots NOT included) The Costume Shop
Official characters Rumi, Mira, Zoey Netflix Tudum
The trade-off

Official costumes from Spirit Halloween guarantee screen accuracy but limit you to three characters and US-centric shipping. For Irish buyers, the Smyths Rumi set offers a simpler, locally available alternative — but only in kids’ size.

Where Can I Buy a Kpop Demon Hunters Costume?

Official retailers in Ireland

  • Smyths Toys Ireland stocks the “KPop Demon Hunters Rumi Costume” for ages 5–6, with free delivery over €25 and Click & Collect (Smyths Toys Ireland).
  • The Costume Shop Ireland sells a “Pop Star Demon Hunter – Rumi Tracksuit” that includes a jacket top, shirt, and skirt — but no wig, sword, or boots (The Costume Shop).
  • Very Ireland lists a “K-Pop Demon Hunters Mira Costume & Wig” bundle for online purchase (Very Ireland).

Online marketplaces

  • Amazon carries multiple K-pop demon hunter costume options (Amazon).
  • Etsy offers custom and handmade costumes, including adult sizes (Etsy marketplace).
  • Netflix Shop has a dedicated cosplay collection for kids and adults (Netflix Shop).
  • Spirit Halloween stocks official licensed costumes for Rumi, Mira, and Zoey — kids in-store and online, adults online only (Netflix Tudum).

Shopping tips

  • Check the included items list carefully — many costume packs exclude accessories like wigs and weapons.
  • Compare prices across retailers; a YouTube review noted that a complete outfit from Cost Sky cost about $76, while a single Walmart item for a Mira-style look was $14.99 (YouTube review).
  • For Irish readers, Smyths Click & Collect can save shipping fees.
Bottom line: Irish buyers face at least three local options (Smyths, The Costume Shop, Very Ireland) plus global marketplaces. The official Spirit Halloween costumes offer the most accuracy but require import shipping.

The implication: no single retailer covers every character and size. You’ll need to piece together from multiple sources, especially for adult costumes.

What Does the Rumi Kpop Demon Hunters Costume Include?

Components: top, pants, accessories

One set from The Costume Shop (Irish costume retailer) includes a jacket top with structured epaulette and digital print, plus matching pants and a shirt. The product description explicitly states that wig, sword, and boots are not included (The Costume Shop). The Smyths Toys version appears to be similar but may vary in packaging (Smyths Toys).

Sizing information

  • The only officially listed size in Ireland is 5–6 years (Smyths Toys).
  • Spirit Halloween offers both Kids and Adult sizes for all three characters (Netflix Tudum).
  • Etsy sellers often list custom sizes for adults (Etsy).

Fabric and care

Based on the Smyths product listing, the material is a polyester blend — typical for costume wear. No specific care instructions are provided, but synthetic fabrics usually require cold washing and air drying to preserve the digital print.

What to watch

If you buy the Rumi tracksuit from an Irish retailer, budget extra for accessories. Adding a wig, toy sword, and boots can push the total cost toward $80–100 — more than the official Spirit Halloween adult costume.

The catch: the kids-only sizing in Ireland means many tweens and teens will have to look at adult options from Spirit Halloween or DIY modifications.

Is the Kpop Demon Hunters Costume Available for Adults?

Adult sizes from some retailers

  • Spirit Halloween’s official costumes come in adult sizes at $69.99, but they are online-only (Netflix Tudum).
  • Netflix Shop also sells adult cosplay pieces (Netflix Shop).
  • No Irish retailer currently lists an adult version; Very Ireland’s Mira bundle is likely kids-only.

DIY modification

The Netflix style guide shows 16 ways to dress like the characters using everyday wardrobe items (Netflix Tudum style guide). That approach works for any body size and can be as simple as layering a graphic tee with a plaid skirt and chunky boots.

Cosplay options

  • Etsy makers accept custom measurements for handcrafted Rumi, Mira, or Zoey costumes (Etsy).
  • A YouTube costumer reported spending roughly $250 total to assemble multiple looks from different sources (YouTube review).
  • Combining a Spirit Halloween top with separate pants and accessories can yield a more tailored fit.
Bottom line: Adults have real options — official Spirit Halloween online, Netflix Shop, or custom Etsy work — but no single, affordable off-the-shelf adult costume exists in Irish physical stores.

Why this matters: adult fans face a clear trade-off between convenience (official US import) and cost (DIY or Etsy). For Irish buyers, the cheapest adult route is Netflix’s styling guide plus a trip to Penneys for base pieces.

Confirmed facts vs. What’s unclear

Confirmed facts

  • Netflix released KPop Demon Hunters in 2025 (Netflix Tudum)
  • Smyths Toys sells a Rumi costume for 5–6 year olds (Smyths Toys)
  • The Costume Shop has a Rumi tracksuit for kids (The Costume Shop)
  • Etsy has handmade K-pop demon hunter costumes (Etsy)
  • Amazon lists multiple costumes (Amazon)
  • Very Ireland sells a Mira Costume & Wig bundle (Very Ireland)

What’s unclear

  • Exact release date of the film is not specified (Netflix Tudum)
  • Whether adult-sized costumes will be sold in Irish physical stores is unconfirmed (Smyths Toys)

“Dress like your favorite ‘KPop Demon Hunters’ characters with our styling guide — no costume required.”

— Netflix Tudum (streaming platform’s editorial team)

“Designed for both comfort and standout flair — ideal for Halloween and dress-up.”

— Smyths Toys Ireland product description (leading toy retailer)

“Netflix Shop has a ‘KPop Demon Hunters Cosplay’ collection with costumes for kids and adults.”

— Netflix Shop (official merchandise store)

For Irish buyers, the choice is straightforward: official Spirit Halloween costumes offer screen accuracy but require online ordering and import costs, while local retailers like Smyths and The Costume Shop provide convenience but limit size and character options. Adults have Etsy and DIY routes, but no single, affordable off-the-shelf adult costume exists in Irish stores yet. If you want a guaranteed fit and don’t mind waiting, Spirit Halloween’s online adult drop in early October is your best bet. If you need a costume tomorrow, grab the Rumi tracksuit from Smyths and add your own accessories.

Frequently asked questions

What size should I choose for my child?

For the official Rumi costume, Smyths Toys lists size 5–6 years. If your child is outside that range, consider Spirit Halloween’s kids sizes (check their sizing chart) or DIY options.

Is the costume machine washable?

The polyester blend material suggests gentle cold machine wash, but always check the label. The Costume Shop advises spot cleaning to preserve the digital print.

Can I return the costume if it doesn’t fit?

Smyths Toys accepts returns within 30 days with proof of purchase. Online retailers like Amazon and Very Ireland have similar policies — check individual seller terms.

Are there other character costumes besides Rumi?

Yes — Spirit Halloween and Netflix Shop offer costumes for Mira and Zoey in both kids and adult sizes. Very Ireland also sells a Mira costume and wig bundle.

Does the costume come with shoes?

No. The Costume Shop listing explicitly excludes boots, and no official set includes footwear. You’ll need to supply your own boots or sneakers.

Where can I find a Kpop Demon Hunters costume in the UK?

Smyths Toys UK, Amazon UK, and Spirit Halloween UK are the main options. The same product listings apply; shipping times vary.



James Oliver Mercer Cooper

About the author

James Oliver Mercer Cooper

Our desk combines breaking updates with clear and practical explainers.