rash guard

Snug, flexible, long- or short-sleeve Lycra shirt worn by surfers for protection against sunburn or cold, and to prevent chafing caused by an ill- fitting wetsuit or gritty surfboard deck. Prior to the mid-1980s, a T-shirt was often used for the same purpose, and again, by the mid-2000s, T-shirts had largely replaced rash guards. Professional surfers began using brightly colored Lycra tank tops d...