Spiderman Venom Muscle Adult/Teen Costume A zipper back jumpsuit with muscle torso and character hood with white mesh eyes. The Venom Muscle Teen comes in adult sizes Medium, X-Large. This Venom Muscle Teen is an officially licensed Spider-Man costume. Please note: This item's color may vary due to inherent manufacturing variations or your computer monitor's color settings. The item you receive will be identical or substantially similar to the item pictured in this listing.