4-oz. Taclite risptop. 65% polyester 35% cotton. Comfortable and breathable. Wash-and-wear fabric. Fade resistant and color consistent. Great performance at a great price. Treated with a Teflon finish for stain and soil resistance. Bi-Swing Shoulders. Epauletes. Pen Pockets on both left and right pockets. Hidden Document Pocket behind Chest Pockets. YKK Zipper Front. Armpit Vents. Mic Cord Pass Through on both side of shirt.