Over the course of the summer, the Long Sleeve Base Layer provides temperature management as well as coverage for the purpose of providing performance assistance. A lightweight flexible fit that is similar to second skin allows for a great deal of movement without any restrictions. You can unzip the neck for a more breezy feel, while moisture management technology and ventilated heat release free-flow panels assist prevent you from being hot and uncomfortable. The key features include a primary fabric with a UPF50+ rating, four-way stretch, rapid-dry moisture management, free-flow heat release panels, a chin guard, a ¼ zip, a body skimming fit, a zip side pocket, comfort seams, and Aubrion React logo printing.