Mares rash guard shorts  are characterized by the Mares Trilastic look, the rash guard is built with a material that provides UV protection of 30 . The Mares rash guards seams are sewn with flat-lock stitching which won't leave marks on your skin. The rash guard Shorts can be worn as a standalone for protection from UV, biting and stinging critters or its perfect to wear underneath your suit.