Become everybody's favorite preppy investigator this year when you dress up in our Adult Fred Scooby Doo Costume Head to the party sporting this classic look and you'll have everybody coming up to you asking if they can hop in the Mystery Machine and tag along for a mystery or two. Featuring a white shirt, a pair of navy blue pants, an orange scarf, and a blonde wig, you don't want to miss out on this fashionable Fred attire.