Hunt down Obi-Wan in the STAR WARS Darth Vader Official Adult Halloween Costume Accessory Helmet. Based on Vader’s iconic armor from STAR WARS: KENOBI, this plastic helmet includes an interior sizing band that allows you to adjust the helmet to fit your head. All STAR WARS helmets are made from high-quality material and authentic details. Jazwares Costume Play creates Halloween fun for every member of the family. Officially licensed STAR WARS product from Jazwares.