Add a boost of coverage and comfort to your swimwear with the Men’s Nike Swim Block Logo Long Sleeve Hydroguard. Great for the beach and outdoor pools, the men’s rash guard shirt has UV protection to help defend against the sun’s damaging rays. Dri-FIT technology helps the swim shirt keep you comfortable and dry while you’re relaxing in a lounge chair or strolling along the boardwalk. Internal neck taping helps to give it a smoother feel against your skin.