Loki Costume
Unleash your inner God of Mischief with this iconic Marvel look.
Loki, the Marvel Universe's God of Mischief, is a perennial favorite for Halloween and cosplay conventions. Known for his cunning charm and regal Norse-inspired attire, this look instantly commands attention. The costume centers around a striking green, black, and gold color scheme anchored by his signature curved horn helmet.
- Difficulty
- Medium
- Time
- ~45 min
- Budget
- $50–150
Try it on
See yourself as Loki
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.
Your photo is sent to Google's Gemini API to make the render and isn't used for training. Renders are AI-generated and labelled.
Want a different costume on this photo, or a whole group in costume? Open the Try-On Studio.
What you need for a Loki costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Loki costume — one box instead of 6 pieces.
Horned Helmet
A metallic gold crown or headband featuring two large, elegant curved horns.
DIY: Cut horns from lightweight EVA foam, paint them metallic gold, and hot-glue them to a thick gold headband.
Green Cape
A long, flowing cape in a deep emerald green fabric that drapes to the calves.
DIY: Hem a length of green polyester or velvet fabric and attach it to your tunic shoulders with safety pins.
Black and Gold Tunic
A black long-sleeve top or faux-leather vest featuring gold fabric trim or armor panels.
DIY: Take a black long-sleeve shirt and use gold fabric paint or gold duct tape to create the geometric armor lines on the chest.
Black Pants
Slim-fit black trousers, jeans, or leggings for a sleek silhouette.
DIY: Use any comfortable pair of black skinny jeans or leggings from your closet.
Knee-High Black Boots
Sturdy black leather-look boots or boot covers that fit over your pants.
DIY: Wear black combat boots and wrap black vinyl or fabric around your shins to mimic tall riding boots.
Scepter or Daggers
A gold-colored scepter prop with a blue gem at the tip, or a pair of gold-hilt daggers.
DIY: Paint a plastic toy sword or dowel rod gold and attach a blue plastic gem to the top.
Rather not assemble it? See ready-made Loki costumes at Spirit Halloween ↗
How to put it together
- 1
Put on the slim-fit black pants and the black long-sleeve tunic or faux-leather vest.
- 2
Secure the emerald green cape around your shoulders using the collar clasps or safety pins.
- 3
Slide on the knee-high black boots, tucking the pants neatly inside.
- 4
Style your hair or put on a shoulder-length black wig, slicking it back away from your face.
- 5
Position the gold horned helmet securely on your forehead, adjusting the strap for a snug fit.
- 6
Hold your scepter or tuck your prop daggers into your waistband to complete the look.
Makeup & hair
Slick back shoulder-length black hair or a wig using strong-hold gel. Keep makeup minimal with a pale complexion, defined eyebrows, and a subtle, mischievous smirk.
Loki for couples, groups, kids & more
- couples
- Pair up with Thor (holding Mjolnir) or Sylvie (in her variant Loki gear).
- group
- Assemble a team of Loki variants, including President Loki, Classic Loki, and Kid Loki.
- kids
- A comfortable green jumpsuit with a soft fabric horned headband is perfect for young mischief-makers.
- Plus size
- Opt for a flexible black tunic paired with an adjustable green cape and a lightweight foam headpiece for comfort.
- pet
- A simple green dog cape and a lightweight elastic-strap horned headband.
Tips
- Secure the horned helmet with bobby pins or an elastic strap so it doesn't tilt forward when you walk.
- If using a plastic scepter, wrap the handle in black grip tape for a more realistic texture and better grip.
- Keep your cape hem about two inches off the ground to prevent tripping or catching it on doors.
Loki costume FAQ
- How do I make a DIY Loki helmet?
- You can craft the horns from lightweight EVA foam or 3D print them, then attach them to a gold-painted headband.
- What are the key colors for a Loki costume?
- Stick to deep emerald green, matte black, and metallic gold or bronze accents.
- Can I do a casual version of Loki?
- Yes, you can wear a brown TVA jacket with a tie and a 'Variant' collar for a comfortable, low-effort alternative.
Did you know? Loki's iconic horned helmet in the Marvel comics was originally inspired by traditional depictions of Norse gods, but the MCU films popularized the sleek, swept-back horn design we see today.