Designed for sweltering runs where lightweight protection is essential, the Salomon XA Plus Cap keeps you airy cool and fully protected from harsh UV rays. Rated at UPF 50, this running cap offers proven protection from scorching sunshine on mid summer days. Lightweight polyester fabric dries quickly to promote evaporative cooling, with ventilation panels for cool wearing comfort. As a protective bonus, there's a detachable neck panel for extra coverage from blistering sunshine. This is great when you're running through exposed areas that leave you prone to scalding sunburn.