Halloween Universal Studios Michael Myers Mechanic Jumpsuit Costume. This is in very nice condition and is 100% polyester. I believe this is a youth large as the measurements are 17.5" pit to pit, 49" shoulder to bottom, and 24” crotch to bottom. Waist w/o stretch is 13” Waist w/Stretch is 16” You might want to measure your monster kid for their measurements. Like New 0444