Costume designers on Etsy create boys’ costumes perfect for a debut on the community theater stage, spirit day at school, or trick-or-treating on Halloween. These sellers can guide you to take measurements so they can tailor kids’ costumes that feel like they were made just for them. Or take your kid’s ideas for a teen boy Halloween costume and bring it to reality. Toddler boy costumes can also be personalized, such as with their first initial on a superhero cape, helping your child feel confident on days after Halloween. The selection of Halloween costumes for boys available from shops on Etsy can be made from scratch or custom fitted for unique costumes.