Rash guards are a popular item in sportswear and are used by athletes across a range of different sports, from martial arts and football to surfing and swimming. In martial arts, rash guard have several uses. Rash guards prevent chafing, sunburn, skin irritations, and provide numerous other protections. Because they are made from spandex, or polyester, or nylon, or a blend of these materials, they lightweight and comfortable, yet strong and durable. They can be long-sleeved or short-sleeved, and often feature UV protection as well as anti-microbial properties. Rash guards are an essential part of any athlete's wardrobe, as they provide an extra layer of protection against the elements while still allowing for maximum flexibility and movement. [...]