These rash guard are fitted, stretchy shirts made from moisture-wicking, quick-drying fabric, typically worn in combat sports, surfing, or swimming. Designed to provide comfort and protection, it helps prevent chafing, skin irritation, and sunburn, while offering added support during intense physical activity. Rash guards are commonly made from materials like Lycra, spandex, or polyester, offering flexibility and durability for a wide range of sports.