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Backrooms Costume Collection

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Create a Backrooms movie costume inspired by the eerie institutional world of A24’s 2026 psychological-horror film. Build looks for Clark, Dr. Mary Kline, Phil, Bobby, Kat, Naren Warne, or Pirate Clark/Captain Clark for Halloween, cosplay, theater, film events, and photo shoots.

Build Your Backrooms Costume

Military dress shirts and uniform blouses
Wool dress trousers, work boots, and leather belts
Protective equipment cases
Nitrile gloves and face shields
Hazmat suits and a CBRN respirator mask
Vintage Canadian fire suit

Combine muted institutional clothing, worn utility layers, and unsettling protective accessories to create a recognizable liminal-horror character look.

Vintage West German Bundesmarine Navy Blue Dress Shirt — Vintage West German Bundesmarine Navy Blue Dress Shirt
From $ 10.00 $ 26.55

Vintage West German Bundesmarine Navy Blue Dress Shirt — Vintage West German Bundesmarine Navy Blue Dress Shirt
From $ 10.00 $ 26.55

Women's US Air Force Light Blue Long-Sleeve Utility Blouse — Women's US Air Force Light Blue Long-Sleeve Utility Blouse
From $ 5.00 $ 37.20

Women's US Air Force Light Blue Long-Sleeve Utility Blouse — Women's US Air Force Light Blue Long-Sleeve Utility Blouse
From $ 5.00 $ 37.20

East German Army & Police Dress Shirts - NVA, Plain, or MdI Style — East German Army & Police Dress Shirts - NVA, Plain, or MdI Style
From $ 15.00 $ 51.84

East German Army & Police Dress Shirts - NVA, Plain, or MdI Style — East German Army & Police Dress Shirts - NVA, Plain, or MdI Style
From $ 15.00 $ 51.84

Vintage RAF Light Blue Long-Sleeve Dress Shirt with Epaulets — Vintage RAF Light Blue Long-Sleeve Dress Shirt with Epaulets
$ 10.00 $ 51.84

Vintage RAF Light Blue Long-Sleeve Dress Shirt with Epaulets — Vintage RAF Light Blue Long-Sleeve Dress Shirt with Epaulets
$ 10.00 $ 51.84

Canadian Army Lime Green Long-Sleeve Dress Shirt – Surplus — Canadian Army Lime Green Long-Sleeve Dress Shirt – Surplus
From $ 10.00 $ 37.20

Canadian Army Lime Green Long-Sleeve Dress Shirt – Surplus — Canadian Army Lime Green Long-Sleeve Dress Shirt – Surplus
From $ 10.00 $ 37.20

Women's Vintage British 8oz Worsted Wool Trousers — Women's Vintage British 8oz Worsted Wool Trousers
From $ 35.00 $ 35.87

Women's Vintage British 8oz Worsted Wool Trousers — Women's Vintage British 8oz Worsted Wool Trousers
From $ 35.00 $ 35.87

Women's US Air Force Dress Pants – Navy Blue, Poly Blend, Genuine Issue — Women's US Air Force Dress Pants – Navy Blue, Poly Blend, Genuine Issue
$ 25.00 $ 35.87

Women's US Air Force Dress Pants – Navy Blue, Poly Blend, Genuine Issue — Women's US Air Force Dress Pants – Navy Blue, Poly Blend, Genuine Issue
$ 25.00 $ 35.87

Vintage Norwegian Military Wool Trousers, Issued Surplus — Vintage Norwegian Military Wool Trousers, Issued Surplus
$ 85.00

Vintage Norwegian Military Wool Trousers, Issued Surplus — Vintage Norwegian Military Wool Trousers, Issued Surplus
$ 85.00

Rothco GI Style Pistol Belt With Metal Buckles — Rothco GI Style Pistol Belt With Metal Buckles
$ 14.99 $ 15.99

Rothco GI Style Pistol Belt With Metal Buckles — Rothco GI Style Pistol Belt With Metal Buckles
$ 14.99 $ 15.99