What does Sharkboy wear?

Sharkboy wears a sleek grey jumpsuit layered with quilted grey foam armor, including a shark-tooth chest plate, finned gauntlets, a belt, and finned boot covers.

How do you make a DIY Sharkboy chest plate?

You can cut the chest plate shape out of grey EVA foam, paint a stylized shark mouth with white teeth on the front, and attach it around your torso using elastic bands.

Is Sharkboy an easy costume to make?

It is a medium-difficulty costume due to the structured foam armor pieces, but using a pre-made grey base layer makes the process much faster.

AI-generated example

Sharkboy Costume

Channel the ocean's protector with quilted grey armor and sharp fins.

Sharkboy is the beloved, hot-tempered hero from the 2005 cult classic film 'The Adventures of Sharkboy and Lavagirl in 3-D'. Chosen by fans for its nostalgic 2000s aesthetic, this costume is instantly recognizable by its metallic grey shark-themed armor. The look centers around a sleek grey jumpsuit outfitted with a foam chest plate, gauntlets, and finned boot covers.

Difficulty: Medium
Time: ~45 min
Budget: $35–90

See yourself as Sharkboy →What you need Buy the Sharkboy costume

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See yourself as Sharkboy

One clear photo of yourself; we render you in this costume — face untouched, full body, about 20 seconds.

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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.

Sharkboy costume — Example look · AI-generated

You as Sharkboy

Result

What you need for a Sharkboy costume

Short on time? Buy it ready-made

Spirit Halloween sells the complete Sharkboy costume — one box instead of 5 pieces.

Shop Sharkboy at Spirit ↗

Grey jumpsuit or unitard
A form-fitting, mock-neck stretch jumpsuit in a matte or slightly metallic medium grey.
DIY: Use a matching grey long-sleeve performance shirt and grey athletic leggings.
Amazon
Foam chest armor
A structured grey foam chest plate featuring a prominent shark-mouth design with white teeth stitched across the front.
DIY: Cut the chest plate shape out of grey EVA foam, draw the shark mouth with paint pens, and attach elastic straps.
Amazon
Finned gauntlets
Grey forearm cuffs featuring a soft, upright shark fin on the outer edge of each arm.
DIY: Craft cuffs from grey felt or foam, inserting a stiff cardboard-backed fin into the seam.
Amazon
Finned boot covers
Matching grey shin guards or boot covers with a shark fin extending from the back of the calf.
DIY: Wrap grey felt around your calves over your shoes and hot-glue a foam fin to the back.
Amazon
Grey belt
A thick grey foam or fabric belt to bridge the gap between the chest armor and the pants.
DIY: Cut a strip of grey craft foam and secure it at the back with Velcro.
Amazon

Rather not assemble it? See ready-made Sharkboy costumes at Spirit Halloween ↗

How to put it together

1
Put on the base grey jumpsuit or matching grey shirt and pants combination.
2
Slip on the grey finned boot covers over your everyday shoes, ensuring the fins face backward.
3
Secure the grey foam belt around your waist to anchor the midsection.
4
Put on the foam chest armor, adjusting the shoulder and side straps for a snug fit over your torso.
5
Slide the finned gauntlets onto your forearms with the fins pointing outward.
6
Style your hair into messy, ocean-swept spikes to complete the rugged hero look.

Makeup & hair

Style your hair into wild, messy spikes using strong-hold hair gel or wax. Keep makeup minimal and natural, focusing on a clean-shaven, athletic appearance.

Sharkboy for couples, groups, kids & more

couples: Pair up with Lavagirl in her signature pink and purple lava-print jumpsuit.
group: Add Max with his Dream Journal and Linus as Minus to create a full movie ensemble.
kids: Available as a popular pre-made kids' jumpsuit with soft foam armor attachments.
Plus size: Use a highly stretchable two-piece compression set as the base layer for maximum comfort.
pet: Dress your dog in a simple grey shark fin harness.

Tips

Ensure the foam fins on your arms and legs are reinforced with cardboard or extra foam layers so they don't droop.
Wear comfortable sneakers under your boot covers, as you will be walking on the fabric covers.
If you are making the armor yourself, use silver metallic acrylic paint to give the EVA foam a metallic sheen.

Sharkboy costume FAQ

What does Sharkboy wear?: Sharkboy wears a sleek grey jumpsuit layered with quilted grey foam armor, including a shark-tooth chest plate, finned gauntlets, a belt, and finned boot covers.
How do you make a DIY Sharkboy chest plate?: You can cut the chest plate shape out of grey EVA foam, paint a stylized shark mouth with white teeth on the front, and attach it around your torso using elastic bands.
Is Sharkboy an easy costume to make?: It is a medium-difficulty costume due to the structured foam armor pieces, but using a pre-made grey base layer makes the process much faster.

Did you know? The character of Sharkboy was actually conceived by Taylor Lautner's young co-star Cayden Boyd, but Lautner's athletic martial arts skills helped define the character's physical action style in the film.