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 Hunt

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