Yes. You should wear underwear!!
Wear pants over top of the underwear.
A 10 year old boy should wear underwear to school and everywhere else. Underwear serves as protection.
Under your clothes
nothing wear your underwear
underwear
You should start by wearing hers.
Wear underwear fit to your body or not bunched in any areas. You don't need to get a wedgie while running or working out! All you need are regular underwear.
It will not harm you, doctors say you should wear loose underwear to increase your sperm.
boxers
Thong.
Briefs