Yeah, it is.
Depends on the season, normally, but wigs, glasses, reversable shirts, and tennis shoes make some of the best disguises. It also depends on the weather and where you are. Do you really need to wear sunglasses inside? Or on a rainy day? Do you read a newspaper at night when you're not near a light? Good disguises need common sense too. Especially wearing high heels and a frilly white dress while in the country- that's a huuuuuuugeeeee no-no. 'Specially with a purse.