Robin baby costume, toddler, Halloween / Cosplay Costume. Everything you need to dress your little one up as Robin. (Onesie - Diaper Cover - Cape - Leg Warmers & Mask) He will look just like Batmans little side kick all done up his adorable little costume made just for him. Pictures with Daddy in a Batman shirt and him in his Robin costume, also perfect for twins as we also have a Batman Costume on my website.