Become the T. Rex and take on Indonimus with the powerful Jurassic World ? Adult T. Rex Costume. You'll look like you've stepped right off the big screen in this thrilling costume. Due to intricate texturing and shadowing, this outfit gives off the appearance of being an actual T-Rex thanks to the authentic jumpsuit and character headpiece. It also includes boot coverings and a stuffable tail. You'll feel like you're ready to go stomping right into battle this Halloween with the Adult T.Rex Costume.