Jason Deluxe Adult Costume - Std Size. From the movie Friday The 13th, come this Deluxe Jason costume and he has never looked better! Costume Includes- vinyl half mask, shirt with weathered worn look and matching pants. Adult size up to 44. Polyester. Knife sold separately BE AWARE! ! ! WE CANNOT TAKE RETURNS ON COSTUMES SO MAKE SURE YOU ORDER THE CORRECT SIZE, AS WE CANNOT RESELL COSTUMES AS NEW! Costume size: Adult Man up to 44