Men's swimwear includes various styles designed for comfort and performance in water activities. Common types are swim trunks, board shorts, and swim briefs, each offering different levels of coverage and support. Materials like nylon and spandex are often used for their quick-drying properties and flexibility. Swim trunks are typically knee-length and provide a relaxed fit, while board shorts are longer and often feature a drawstring waist. Swim briefs, also known as speedos, offer minimal coverage and are popular among competitive swimmers. Choosing the right style depends on personal preference and the intended use, whether for casual swimming or competitive events.