They are called singlets.
No, I think underwear gets in the way since your opponent might pull it or give you a wedgie. The only downside to freeball it is that everybody can see the outline of your junk.
wrestlers. They wear the earguards to protect themselves from cauloflower ear; which is a severe fungal growth on your ear from rubbing up against things, and wear singlets so their opponent has nothing to grab on to, to gain an advantage for a better throw
The NZ rowing team are called the 'Black Singlets'
Yes, check out University of Maryland's singlets, can't find them for sale yet.
For running long distances it is better to wear running singlets rather than an ordinary tank top because the singlets allow for more air circulation and less chance of over heating.
yes
bintang singlets
If you have to old singlets that are both different colours here is what you can do: .Things you will need. * 2 singlets (different colours) *Scissors. Grab your scissors and in one of the singlets, cut about 5-7 holes in the back and front of it. Put the singlet with no holes in it on you, then put the other one over it. Now you have a Groovy 2 colour Singlet! :3
yachting
You can buy them in different sizes of Ebay :)
The fabric on boys wrestling singlets are generally cut lower under the arms and on chest than girls singlets.