The Diablo Chill Long Sleeve shirt is designed to combat hot weather with an ultra-breathable, eco-conscious fabric enhanced with a cooling, temperature-control mesh inside the upper back panel. With UPF 50 protection and dual zippered chest pockets, the Diablo brings performance and functional travel features to a casual yet polished silhouette. It's a men's dress shirt designed for adventure travel. Renewable Sorona® fibers add softness and durability. Made with eco-conscious bluesign® Approved fabric.