Star Trek Costume
Boldly go in a classic, screen-accurate Starfleet uniform.
Star Trek costumes are a sci-fi staple, perfect for conventions and Halloween. This guide focuses on the iconic Original Series (TOS) Starfleet uniform, worn by characters like Captain Kirk and Mr. Spock. The look features a vibrant solid-color tunic, a black collar, and the signature Starfleet insignia.
- Difficulty
- Easy
- Time
- ~20 min
- Budget
- $25–80
Try it on
See yourself as Star Trek
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 Star Trek costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Star Trek costume — one box instead of 6 pieces.
Starfleet Tunic
A solid gold, blue, or red long-sleeve shirt with a black crewneck collar.
DIY: Use a solid gold, blue, or red long-sleeve t-shirt and sew a black fabric band around the collar.
Insignia Badge
The silver or gold Starfleet delta emblem worn on the left chest.
DIY: Cut the delta shape out of silver or gold craft foam and attach it with a safety pin.
Rank Braid
Gold metallic fabric tape or ribbon wrapped around the cuffs of the sleeves.
DIY: Use gold fabric paint or gold electrical tape to create the sleeve stripes.
Black Pants
Straight-leg black trousers or black leggings.
DIY: Use any plain black pants or leggings you already own.
Black Boots
Plain black leather or faux-leather boots.
DIY: Wear any clean black dress shoes or black boots.
Phaser Prop
A toy phaser or tricorder to complete the landing party look.
Rather not assemble it? See ready-made Star Trek costumes at Spirit Halloween ↗
How to put it together
- 1
Choose your division color: gold for command, blue for sciences/medical, or red for operations/security.
- 2
Put on the solid-color tunic or long-sleeve shirt with the black collar.
- 3
Attach the Starfleet delta insignia badge to the left chest, ensuring it is level.
- 4
Apply the gold rank braid or tape around both sleeve cuffs (one stripe for Lieutenant, two for Captain).
- 5
Put on the straight-leg black pants or leggings.
- 6
Step into your black boots or dress shoes.
- 7
Equip your phaser or tricorder prop at your hip.
Makeup & hair
Keep hair neat and styled in a classic 1960s side-part or a straight-cut Vulcan style. If dressing as Spock, apply pointed prosthetic ear tips using spirit gum.
Star Trek for couples, groups, kids & more
- couples
- Kirk and Spock, or a Starfleet officer paired with an alien like a Klingon or Orion.
- group
- Assemble a full bridge crew with gold, blue, and red uniforms represented.
- kids
- A miniature Starfleet tunic paired with black pants and comfortable black sneakers.
- Plus size
- Look for stretch-knit tunic shirts or soft cotton t-shirts for a comfortable, flexible fit.
- pet
- A red or gold pet t-shirt featuring a printed Starfleet insignia badge.
Tips
- Make sure the insignia badge is pinned securely so it doesn't sag on the fabric.
- If using tape for the sleeve braids, apply it while wearing the shirt to ensure it doesn't restrict sleeve stretch.
- Wear breathable cotton or athletic blend fabrics, as conventions and parties can get warm.
- For photos, hold a phaser prop at the ready or give the classic Vulcan 'Live Long and Prosper' hand sign.
Star Trek costume FAQ
- What do the different Star Trek uniform colors mean?
- In the Original Series, gold/yellow represents Command (like Kirk), blue represents Sciences and Medical (like Spock and McCoy), and red represents Operations, Engineering, and Security (like Scotty and Uhura).
- How do I make a cheap DIY Star Trek costume?
- Start with a solid gold, blue, or red long-sleeve shirt. Add a black fabric band to the collar, draw or cut a Starfleet delta badge from craft foam, and wear it with your own black pants and black shoes.
- Which side does the Star Trek badge go on?
- The Starfleet insignia badge is always worn on the left side of the chest.
Did you know? The iconic Starfleet insignia badge doubled as a communicator starting in Star Trek: The Next Generation, but in the Original Series, it was simply an organizational emblem.