Hit the waves wearing the Nike Essential Long Sleeve Rash Guard. Dry off quickly and keep comfortable during your surf with the Dri-Fit technology that is designed to help keep you going through long days at the beach. Fit. Performance fit. Rash guard. Technology. Dri-FIT helps keep you dry and comfortable. Design. UV protection from the sun on areas covered. Internal neck tape offers added comfort against the skin. Long sleeves for added security.