Rash guards can be long-sleeved or short-sleeved and are commonly worn in sports such as surfing. Many individuals now wear them instead of over their traditional swim shirts to protect themselves from dangerous UV rays.   Note: If you decide to go this route, ensure the style is securely woven. It’s conceivable for the sun to reach your skin below if you stretch it out and can see the light through it. Many of these have official sun-protection ratings, so keep an eye out for those!   WETSUIT   A surfer, scuba diver, snorkeler, and water skiers/wakeboarders/whatever water-sporty person would wear this silhouette. Depending on how chilly a swim the user…