One Piece Costume
Set sail as the captain of the Straw Hat Pirates.
Monkey D. Luffy from the hit anime One Piece is one of the most popular cosplay choices in the world. His classic look is instantly recognizable, highly comfortable, and easy to assemble. This guide focuses on his signature outfit, featuring his red vest, denim shorts, yellow sash, and iconic straw hat.
- Difficulty
- Easy
- Time
- ~15 min
- Budget
- $30–75
Try it on
See yourself as One Piece
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 One Piece costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete One Piece costume — one box instead of 5 pieces.
Red button-up vest
A sleeveless red vest or short-sleeve button-up shirt with the sleeves cut off, left completely unbuttoned.
DIY: Cut the sleeves off an old red button-down shirt and fold the collar down.
Blue denim shorts
Blue denim shorts that cuff just below the knee, preferably with a white fleece or fabric trim on the cuffs.
DIY: Take a pair of old blue jeans, cut them below the knee, and roll up the cuffs.
Yellow waist sash
A long, wide strip of yellow fabric wrapped around the waist and tied at the side.
DIY: Cut a length of yellow fabric or use a lightweight yellow scarf.
Luffy straw hat
A classic woven straw hat featuring a thick red ribbon band around the base.
DIY: Take a standard straw sun hat and glue a wide strip of red ribbon around the crown.
Straw sandals
Simple woven straw or rope sandals, also known as zori.
DIY: Wear simple brown flip-flops or flat leather sandals.
Rather not assemble it? See ready-made One Piece costumes at Spirit Halloween ↗
How to put it together
- 1
Put on the blue denim shorts, ensuring they sit comfortably at or just below your knees.
- 2
Wrap the yellow sash around your waist over the shorts, tying it off on the left side so the ends hang down.
- 3
Put on the red vest, leaving it completely unbuttoned to expose your chest.
- 4
Secure the straw hat on your head, or let it hang behind your neck using a thin black cord.
- 5
Slip on the woven straw sandals to complete the footwear.
- 6
Optional: Use a makeup pencil to draw a small, curved scar with two stitches under your left eye.
Makeup & hair
Keep your hair messy, shaggy, and black. Use a black eyeliner pencil to draw Luffy's signature curved scar with two vertical stitch marks just below your left eye.
One Piece for couples, groups, kids & more
- couples
- Pair up with Roronoa Zoro in a green robe with three toy swords, or Nami in a striped shirt.
- group
- Gather friends to dress as the Straw Hat Crew, including Sanji, Nico Robin, and Usopp.
- kids
- A highly popular choice for kids; use comfortable cotton shorts and a lightweight felt straw hat.
- Plus size
- Opt for a loose-fitting red vest and a wider, stretchier yellow sash for a comfortable fit.
- pet
- Dress your dog in a miniature red vest and a tiny straw hat secured with an elastic band.
Tips
- For cooler weather, wear a flesh-toned thermal shirt under the open red vest.
- If your straw hat doesn't have a chin strap, add a black elastic cord so you can wear it hanging on your back.
- Strike Luffy's signature pose for photos: fist to the ground in second gear, or a wide, toothy grin with hands on your hips.
One Piece costume FAQ
- What do I need for a basic Luffy costume?
- You need a sleeveless red vest, blue cuffed denim shorts, a yellow waist sash, woven sandals, and his signature straw hat with a red band.
- How do you make Luffy's scar?
- Use a black or dark brown makeup pencil to draw a small, curved horizontal line under your left eye, then add two tiny vertical hatch marks across it to look like stitches.
- Is a Luffy costume comfortable for walking around?
- Yes, it is highly comfortable and breathable, making it perfect for warm-weather conventions or outdoor Halloween events.
Did you know? Luffy's signature straw hat was given to him by his idol, Red-Haired Shanks, who promised to take it back only when Luffy becomes the King of the Pirates.