Normal underwear.
super man kind!
A thong
One can purchase underwear at any clothing retailer. One can purchase underwear at their nearest clothing retailer in the underwear section of the store.
Boxers
breifs
He wears boxers
Boxers.
briefs
none
thong
In men's underwear, generally, there is some kind of fabric, a comfortable waistband and a Pocket for my package.