Letter Costume Series: Inspiring Letter I Costume Ideas
These letter I costume ideas will have you totally inspired for your next letter-themed party.
Your iconic look awaits…
1. Iron Man

Fly into the party as one of the most popular Avengers - Iron Man. Our range stocks options for both adults and kids, showcasing the iconic red and gold design. It may not be made of vibranium, but this letter I costume idea is sure to steal the spotlight.
2. Inmate

Fresh out of the slammer, an inmate costume for the letter I is bound to stir up some fun. Whether it's classic stripes or an orange jumpsuit, the only crime you'll commit is being the life of the party.
3. Incredibles

Prepare to suit up as Disney Pixar's beloved superheroes, The Incredibles. Whether you're going solo or with the whole family, we've got the complete range. Luckily, Syndrome won’t be around, so you can kick back and enjoy the letter I party.
4. Indiana Jones

If you're a true adventurer at heart, Indiana Jones is the perfect choice for a costume beginning with the letter I. From explorer outfits to Jones’ signature whip and fedora, we have everything you need to channel the legendary archaeologist and make an action-packed entrance.
5. Iced Coffee

Transform into your favourite drink, an iced coffee. An absolutely hilarious letter I costume idea, you’ll be the coolest (and most caffeinated) at the party. Get ready to brew up a whole lot of laughs.
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Want even more letter I costume ideas? Be sure to check out our dedicated letter I collection. You can also find other letter collections here.
We’d love to see your letter-themed looks, tag us @CostumeBox on Instagram.


