Figure skaters wear a variety of different things. Practice wear and Competition wear are different from each other. For practice they usually wear spandex leggings with a tee shirt and light sweatshirt. Skirts or spandex shorts can also be worn. In competitions skaters wear their costumes, which go with the music they are skating to. This can range from very theatrical and elaborate costumes to a form fitting dress.
athletes would be naked.
nothing
Some people that wear compression shorts are athletes. Athletes wear these because they are nicer to run or do whatever they are doing with them. Makes it a lot easier on them.
Alot I can not name them all.
because to get the grip
nothing (They competed in the nude.)
john cena
barry bonds
They competed naked. Winners got to wear an olive leaf headdress.
At the Olympics all the athletes (who were men) were naked
Yes they wear shoes with spikes at the bottom of it.
this is what they wore after they had won