If you're ready to eat cherry flavored Pez for the rest of your life, you're ready to be Vern.
You'll need a pair of khaki pants with a thin brown belt. After all you'll need protection from foliage and oncoming trains.
Then you'll have to get a bed roll tied with a jute. You are camping, you old genius.
A blue and white striped polo and a pair of white low-top sneakers will complete you as Vern. Now you can move on to arguing over whether Mighty Mouse can beat up Superman.