The Marvel Captain America Kids Small 4-6 Muscle Chest Halloween Dress-Up Costume is a complete outfit designed for young boys who want to dress up as the iconic superhero, Captain America. Made of polyester material and featuring the signature blue color associated with the character, this costume includes everything needed for a fun and festive Halloween or themed event. The muscle chest design adds an extra touch of authenticity to the overall look, making it a popular choice for young fans of the Marvel universe and superhero-themed parties.