Dress up as the iconic Dark Knight with this Justice League Batman Muscle Chest Costume. The costume is perfect for boys aged 5 to 6 years old who are fans of the Caped Crusader. The outfit features a detailed jumpsuit with a built-in muscle chest, which will make your child look like they have the strength of Batman himself. This costume is perfect for themed parties and Halloween events, and is sure to impress. With its high-quality fabric and attention to detail, your child will feel like they are a true member of the Justice League. Become the hero Gotham deserves with this amazing costume.