1.   And sea swimmers should wear thick-soled foot protection.

2.   Some male swimmers may wear a tight shorts version rather than the traditional brief because it covers up more skin.

3.   Some ocean swimmers wear a wet suit or coat themselves with petroleum jelly for insulation.

4.   Tennis players should wear protective sports glasses and swimmers should wear goggles.

5.   But even a good swimmer should wear a life jacket.

6.   But some swimmers are wearing less, such as a suit that covers the torso and stops above the knees.

7.   Swimsuits and goggles, though, are considered technical equipment, so each swimmer can wear whatever he wants.