In Fashion KidsInCharacter' Infant Boy Halloween Costume: Baby Biker Costume (12-18 months with Bracelet for Mom) Bad to the Bones Baby Costume. Your little trouble maker will rowdy the town! This Born to be Wild infant costume is a great costume idea for baby boys! If Dad is a Biker, he'll love to capture a picture of his son in this Baby Biker Boy Costume. Who's to say your baby girl can't enjoy this costume as well! Dress her in this Infant Halloween Costume and your infant girl will be Daddy's Baby Biker Girl! Printed do-rag cap jumpsuit with biker jacket print and attached mesh tattoo sleeves snaps for easy diaper change Great for Father's Day Photos. Dress your little one up to give a great Father's Day Gift!