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 short sleeve rash guards with UPF50. If you are looking for the best mens Hawaiian swimwear collection, this short sleeve rash guard #4700 will be the best choice for you.