What ever you like. I prefer boxers/boxer briefs
nothing wear your underwear
Boxer
Clean and not showing
no underwear just wear pants you'll get used to it
no underwear just wear pants you'll get used to it
silk boxers
The wearable kind.
Thongs
Tighty Whities
The best way to wear underwear for 5 days is to wash it. Underwear was invented so you can wear your larger, outer clothes for five days, while you only need to wash your small underwear every day or two.
boxers
plain and simple (Boxer Briefs)