Pulling off the Jack Burton costume is gonna take crackerjack timing. And reflexes.
First, you need that classic Kurt Russell hair. A proper 80's action mullet is the only way to go.
Next, you need the knife. Keep it stashed in your boot in case of emergency. Your local costume shop should also have a few models, but We have a limited number of plastic knives available just for Halloween. Or, if you're a big spender, you could go for Jack's trusty semi-automatic instead. Get the knife from us here.
Next, you'll need some sweet, stonewashed 80's jeans. Get some with a nice tapered leg for easy boot-tuckin.' Your local Goodwill is likely full of these...
Complete your costume with some boots. Calf length would be the proper style, and don't forget to tuck your jeans into them. And remember, like I told my last wife, I says, "Honey, I never drive faster than I can see. Besides that, it's all in the reflexes."