Shop official Halloween costumes for your next Big Weekender. Get scary-good squad outfits and character kits for the 2026 party season at Adult Weekender! When the sun goes down and the headline set begins, your crew needs to be the most iconic (and intimidating) group in the venue.

Adult Weekender specialises in Halloween fancy dress that is built for the high-octane party cycle. We know that a true Big Weekender is an endurance test, so our outfits—from classic slashers to viral memes—are vetted for maximum comfort and "party-proof" durability. Whether you are coordinating a massive zombie invasion or looking for high-impact adult character kits, we provide the "main character" energy your crew needs to stay unmistakable from Friday check-in to the final Sunday checkout.

Don't settle for a flimsy supermarket look. Our 2026 collection features vibrant colours, official branded gear, and a range of sizes to ensure every member of the squad feels like a legend. Pair your look with our coordinated themed props to ensure your group is the most recognisable crew on the site. Explore the full Halloween collection today and secure your 2026 nightmare!

Why Our Halloween Gear Wins