What is men wearing one piece swimsuit?

One-piece swimsuits for men have been around since the early 1900s, but they became more popular in the 1970s when Olympic swimmer Mark Spitz donned one at the Munich games. Men's one-piece swimsuits are now commonly worn by swimmers, divers, and water polo players, as well as those looking for a more modest or streamlined swimsuit option. They come in a variety of styles, including athletic, fashion, and retro-inspired designs, and are made of materials that are both breathable and quick-drying. Some men may also wear one-piece swimsuits as part of their fashion statement or performance art.