Halloween falls on October 31, 2025, and one animated title is driving this year’s biggest costume craze: KPop Demon Hunters on Netflix. From kids to grown-ups, fans are dressing as HUNTR/X’s Rumi, Mira, and Zoey—or the Saja Boys led by Jinu—and they’re cleaning out shelves at major retailers while turning to last-minute DIY fixes at home. Below, find what’s selling out, how to pull off the look fast, and which character details matter most for a spot-on costume.
Why ‘KPop Demon Hunters’ costumes are selling out everywhere
Costume demand has spiked in the hours before trick-or-treating, with U.S. shops reporting they’re out of stock in both kids’ and adult sizes. One New York City roundup captured the mood succinctly with shop staff saying, “We don’t have any more,” as KPop Demon Hunters sets “sell like hotcakes.”
Overseas coverage on October 31 underscores the same scramble: parents “rush to buy or DIY” as official gear disappears ahead of the holiday.
Official costumes and where to find them
Netflix confirmed the only officially licensed HUNTR/X costumes landed at Spirit Halloween in early October, available in kids and adult sizes with a signature Rumi wig. That announcement ran on September 22, 2025, outlining the “Dress Like KPop Demon Hunters This Halloween” drop for Rumi, Mira, and Zoey.
By mid-October, international coverage was already noting “sold out online” messaging for Spirit Halloween’s HUNTR/X lineup, especially for the trio’s jackets and hair pieces.
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DIY essentials: expert-backed tips for nailing HUNTR/X and the Saja Boys
For last-minute builds, lifestyle expert Veena Crownholm breaks down how to spin up Rumi, Mira, or Zoey from closet staples and a quick craft-store run. “DIY costumes are so much fun because there’s nothing better than being one of one Halloween night,” Crownholm explains, adding that she “pulled her classic Rumi look by adding patches, felt, puffy paint and electrical tape to a pair of black leather shorts … and [a] yellow jacket.” She advises to “shop in your closet first,” hit a thrift store, and, if needed, “decide whether you want to do more of the ‘Golden’ look” or another standout outfit from the film.
PEOPLE’s step-by-step guide with DIY creator Lauren Riihimaki (LaurDIY) echoes the approach: identify core elements, paint what you don’t own, and let the hair finish the transformation. “People underestimate how much of a costume they already have just in their closet,” Riihimaki says, noting that “most costumes only really rely on a few key identifiers.” For Rumi, denim or black shorts plus knee-high or black boots get you close; a headset mic, prop sword, or the HUNTR/X black-and-gold jacket look can seal the deal.
Hair is critical. Riihimaki calls Rumi’s purple braid “such iconic hair” and says Zoey’s space buns are a fast win for groups. Jinu can be largely clothing-agnostic as long as you commit to his “full face of makeup … with the lines and everything.”
Wig problems solved: a hair pro’s Rumi braid hack
If your kid’s Rumi wig keeps slipping—or feels heavy—celebrity hairstylist Matt Newman offers a practical fix. He suggests opting for an $8 synthetic purple braid extension over a full wig, attaching it to a high ponytail and reinforcing with “nylon rubber bands … because those usually have the most give” and help avoid headaches. Use just a few bobby pins “behind each ear” if you need extra hold, and spray the purple color only after braiding so the hair remains workable.
Cast, characters & creators: who fans are channeling
- HUNTR/X: Rumi (iconic purple braid), Mira (pink hair; vintage band tee styling works in a pinch), Zoey (space buns; rap specialist).
- Saja Boys: Jinu (makeup lines define the look; black basics can work), plus group options for five Saja members.
- Voice talent shout-out: Alan Lee, who voices Mystery Saja, encouraged fans in July 2025 not to be afraid to “cosplay” any character: “Cosplay is for everyone!”
Fast shopping list (and what to repurpose)
- Rumi: yellow cropped bomber (spray-paint or fabric-paint a thrifted jacket), black or denim shorts, knee-high/black boots, headset mic, purple braid (wig or extension).
- Mira: pink-hair moment, vintage band tee, black/white two-piece or battle-look leather layers.
- Zoey: space buns, black layers, rap-performance vibe; consider black-and-gold jacket set for trio looks.
- Jinu: black basics, character-defining face lines; prioritize makeup kit over clothing accuracy.
Prices, availability, and what to do if shelves are bare
Retail coverage across October 30–31 describes sellouts at big-box costume chains and specialty shops. Fans in major cities reported scarcity on official sets and wigs, with lines forming for restocks. “We don’t have any more,” summed up one shop’s refrain as demand spiked on October 30 in New York City.
If stock is gone locally, experts recommend painting an old jacket yellow, adding tape or patches to boots, and anchoring the hair first. A $2 plastic pumpkin pail can even become a Derpy-inspired candy bucket with metallic paint, pen details, and rhinestones.
Where Netflix comes in—and what’s next
KPop Demon Hunters debuted on Netflix in June 2025 and has sustained months of Top-10 momentum worldwide, fueling the Halloween surge and official Spirit Halloween drop.
Coverage out on October 31 also teases that the film’s stars are pondering a sequel, a natural next step given the fandom’s size; that conversation is happening the same morning U.S. parents are still hunting for the last available costumes.
How to spot quality info (and when to skip the link)
Some reports aggregate widespread facts like “sold out” banners or Google’s trending lists. The most helpful pieces for builders include direct how-to quotes from stylists and creators, plus Netflix’s official licensing note for Spirit Halloween. For that reason, we’ve surfaced three especially actionable reads:
- E! News — Veena Crownholm’s DIY guide
- PEOPLE — LaurDIY’s five tips
- Netflix Tudum — Official Spirit Halloween costumes
Bottom line
With Netflix’s KPop Demon Hunters powering the year’s biggest Halloween trend, official Spirit Halloween sets are tough to find on October 31, 2025. Don’t panic: a yellow jacket, black shorts, and the right hair will carry a Rumi; a pink-hair look or space buns nails Mira and Zoey; and Jinu lives or dies by the face lines. As Veena Crownholm puts it, “Go have fun finding materials, source what you have at home, and then just create.”
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