The soft, pill-treating fabric with an all-over jacquard pattern is extremely breathable and lightweight. The material wicks away sweat and dries very quickly. 4-Way Stretch technology allows free movement in every direction. UPF 40 protects the skin from the sun's harmful rays. Flat knitted ribbed collar and cuffs. Button fastening. Breathable side hem. Odor control technology minimizes odors.