Big Hero 6 Costume
Become the ultimate healthcare companion or a high-tech superhero.
Big Hero 6 is a beloved choice for Disney fans, offering iconic looks ranging from the lovable, puffy robot Baymax to the tech-genius Hiro Hamada. Whether you choose Baymax's white inflatable form or his red armored superhero suit, these costumes are instantly recognizable and perfect for groups. This guide focuses on the classic, friendly white nurse robot version of Baymax and Hiro's signature hero gear.
- Difficulty
- Medium
- Time
- ~45 min
- Budget
- $30–80
Try it on
See yourself as Big Hero 6
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 Big Hero 6 costume
Short on time? Buy it ready-made
Spirit Halloween sells the complete Big Hero 6 costume — one box instead of 5 pieces.
Inflatable Baymax Suit
A full-body white inflatable jumpsuit with a built-in fan to mimic Baymax's puffy, vinyl healthcare companion shape.
DIY: Wear an oversized white hooded sweatshirt stuffed with pillows, paired with white sweatpants.
Baymax Mask
A simple white mask featuring Baymax's signature minimalist black line-and-circle eyes.
DIY: Cut a strip of white felt or cardstock, draw two black circles connected by a thin black line, and attach an elastic band.
Hiro's Blue Hoodie
A classic blue zip-up hoodie with a red shirt underneath, representing Hiro Hamada's casual look.
DIY: Use any plain royal blue zip-up hoodie from your closet.
Hiro's Cargo Shorts
Dark gray or brown knee-length cargo shorts with spacious side pockets.
DIY: Use any dark-colored cargo shorts or cut old gray pants at the knee.
Red High-Top Sneakers
Bright red canvas high-top sneakers with white laces and soles.
DIY: Wear any red sneakers or wrap white shoes in red tape temporarily.
Rather not assemble it? See ready-made Big Hero 6 costumes at Spirit Halloween ↗
How to put it together
- 1
If going as Baymax, step into the inflatable suit legs first and secure the elastic bands at your wrists and ankles.
- 2
Insert fresh AA batteries into the costume's fan pack, clip it to your waistband, and turn it on to inflate.
- 3
Pull the hood or mask over your head once the suit is fully inflated, ensuring the viewing mesh is aligned with your eyes.
- 4
If going as Hiro, put on a plain red t-shirt, layer the open blue zip-up hoodie over it, and wear the gray cargo shorts.
- 5
Put on Hiro's signature red high-top sneakers with white socks pulled up slightly.
- 6
Style your hair in messy, anime-style spikes using hair gel or a dark brown wig.
Makeup & hair
For Baymax, no makeup or hair styling is needed under the mask. For Hiro, style dark brown or black hair into messy, voluminous anime-style spikes using a strong-hold styling gel or wax.
Big Hero 6 for couples, groups, kids & more
- couples
- Pair Hiro Hamada in his blue hoodie with a white inflatable Baymax for a perfect dynamic duo.
- group
- Gather friends to dress as the whole team: Go Go Tomago, Honey Lemon, Wasabi, Fred, and Hiro.
- kids
- An inflatable kids' Baymax suit or a simple Hiro hoodie-and-shorts combo is comfortable and highly popular.
- Plus size
- The inflatable Baymax suit is naturally oversized and highly accommodating for all body types.
- pet
- A white dog sweater with Baymax's simple black eye line drawn on the back makes an easy pet outfit.
Tips
- Always carry spare AA batteries for the inflatable suit's fan to avoid deflating mid-event.
- Wear lightweight, breathable clothing underneath the inflatable suit, as it can get warm inside.
- Practice navigating tight spaces and doorways beforehand, as the inflated Baymax suit is quite wide.
- Keep a red lollipop in your pocket as a fun, character-accurate prop to hand out.
Big Hero 6 costume FAQ
- How does the inflatable Baymax costume stay inflated?
- It uses a small, battery-operated fan clipped inside the suit that continuously blows air to keep it puffed up.
- Can you sit down in the inflatable Baymax costume?
- Yes, but you must sit carefully to avoid blocking the fan intake or putting too much pressure on the seams.
- What is the easiest way to DIY a Hiro Hamada costume?
- Simply pair a blue zip-up hoodie over a red t-shirt, gray cargo shorts, and red high-top sneakers.
Did you know? Baymax's unique, minimalist face design was inspired by a traditional Japanese temple bell (suzu) that director Don Hall noticed while visiting a temple in Tokyo.