Best men’s rash guards: Uzzi Amphibious Gear specializes in sun protective shirts. We manufacture the best lightweight rash guards for men with UPF50. Our men’s rash guards are made of polyester and spandex providing ultimate comfort and stretch. Whether you’re looking for surfing rash guards or just a sun protection shirt to swim in, Uzzi has you covered! Check out our long sleeve rash guards with UPF50. If you are looking for the best mens Hawaiian swimwear collection, this solid long sleeve rash guard #4701 will be the best choice for you.