
Secret Agent Costume
Go undercover with a classic, sleek, and mysterious spy look.
The secret agent is a timeless costume choice, perfect for anyone wanting a sleek, mysterious, and effortlessly cool look. Inspired by classic espionage thrillers, this outfit relies on sharp tailoring, dark sunglasses, and high-tech communication props. It is incredibly easy to put together using everyday wardrobe essentials or simple accessories.
- Difficulty
- Easy
- Time
- ~15 min
- Budget
- $20–80
Try it on
See yourself as Secret Agent
One clear photo of yourself; we render you in this costume — face untouched, full body, about 20 seconds.
One render, $1. No account needed — if it fails you're not charged. Pricing.
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Want a different costume on this photo, or a whole group in costume? Open the Try-On Studio.

What you need for a Secret Agent costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Secret Agent costume — one box instead of 6 pieces.
Black trench coat or suit jacket
A long black double-breasted trench coat or a sharply tailored black suit jacket.
DIY: Use any dark-colored overcoat, windbreaker, or blazer already in your closet.
Dark sunglasses
Classic black aviator or wayfarer-style sunglasses to obscure your identity.
DIY: Any dark sunglasses you currently own will work perfectly.
Acoustic tube earpiece
A clear, coiled acoustic tube earpiece that clips to your collar to look connected to headquarters.
DIY: Cut the cord off an old pair of white or clear earbuds and tuck it behind your ear.
Black fedora or trilby hat
A black felt fedora to pull down over your eyes for a classic noir spy aesthetic.
DIY: Skip the hat for a modern, high-tech tactical agent look.
Toy gadget or briefcase
A small silver or black briefcase, or a toy laser gadget to complete the operative look.
DIY: Carry a sleek black folder or a metal briefcase you use for work.
Black dress shoes or boots
Polished black leather dress shoes or sleek black tactical boots.
DIY: Any clean, dark-colored footwear or boots.
Rather not assemble it? See ready-made Secret Agent costumes at Spirit Halloween ↗
How to put it together
- 1
Put on a crisp white button-down shirt or a black turtleneck as your base layer.
- 2
Put on black dress pants, a pencil skirt, or dark tactical trousers.
- 3
Layer the black trench coat or tailored suit jacket over your base outfit.
- 4
Place the clear coiled earpiece over your ear, clipping the connector to your collar or lapel.
- 5
Put on the dark sunglasses and position the black fedora slightly forward on your head.
- 6
Carry your prop briefcase or tuck a toy spy gadget into your coat pocket.
- 7
Maintain a sharp, alert posture to embody the undercover operative persona.
Makeup & hair
Keep hair neatly styled, slicked back, or tucked under the fedora. Makeup should be minimal and clean, focusing on a sharp, professional appearance.
Secret Agent for couples, groups, kids & more
- couples
- Pair up as a duo of rival secret agents, or go as a spy and a glamorous villain.
- group
- Form an entire tactical security detail or an elite espionage agency squad.
- kids
- A miniature trench coat, plastic sunglasses, and a toy magnifying glass make a cute kid-friendly detective.
- Plus size
- A well-fitting black trench coat or a tailored black blazer offers a comfortable, flattering, and sharp silhouette.
- pet
- Put a small black bow tie or a tiny black vest on your pet to make them your secret sidekick.
Tips
- Keep your hands near your lapels or earpiece in photos to emphasize the secret agent pose.
- A trench coat is excellent for cold-weather outdoor events, keeping you warm while staying in character.
- Print a fake agency ID badge and clip it to your belt or pocket for extra detail.
- Make sure your sunglasses aren't too dark if you plan to wear this costume indoors or at night.
Secret Agent costume FAQ
- What does a secret agent wear?
- Typically, a secret agent wears a sleek black trench coat, a tailored suit, dark sunglasses, and a security earpiece.
- How do I make a cheap DIY spy costume?
- Wear a dark coat or blazer from your closet, put on dark sunglasses, and use a coiled wire or old earbud cord as a fake earpiece.
- What are good props for a secret agent costume?
- Great props include a silver briefcase, a toy walkie-talkie, a fake ID badge, or a magnifying glass.
Did you know? The classic 'trench coat and fedora' spy look originates from mid-20th century film noir and cold war espionage thrillers, which stylized the practical gear worn by real-world field operatives.