Lead the campaign to victory with the Halo Spartan Locke Muscle Tween Costume. Inspired by the acclaimed Halo videogame series, this costume includes: a jumpsuit made to look like Halo armor with muscle torso & arms, and a Spartan Locke half mask. One size fits most tweens sizes 14-16. Wear this costume for Halloween or as part of a cosplay to Comic Con.