Boys Letter "X" Costumes

Explore the extraordinary with our rare and exciting collection of boys’ costumes starting with the letter X. While X may be one of the trickiest letters in the alphabet, it opens the door to bold, futuristic, and imaginative character play perfect for Halloween, school events, and costume parties.

Let your child become a high-tech X-ray hero, with glowing bones and sci-fi vibes that turn heads at every event. For comic book fans, dressing up as a legendary X-Men character — like Wolverine or Cyclops — brings superhero action to life with powerful style and attitude. These X-themed costumes are ideal for kids who want something unique, clever, and full of personality.

Each costume is designed for comfort, movement, and standout appeal, helping boys fully embrace their role while having fun. Explore our letter X costume collection and give your child a chance to wear something truly extraordinary.