Rubie's Star Wars Darth Vader Standard Child Costume - Small Darth Vader Costume Kids Small -- Standard Darth Vader Costume with Mask. This classic Darth Vader costume for boys and girls alike includes jumpsuit, cape and mask. Childrens size small, 4-6. Darth Vader costume accessories and light saber sold separately. Officially licensed Star Wars Darth Vader costume for kids.