4.25 oz./yd², 65/35 polyester/cotton; 4.2 oz./yd², 100% polyester mesh back; Classic fit; Moisture wicking; Concealed snap closure; Inset chest pocket with pencil stall on left chest and dual utensil/thermometer pockets on left sleeve; Wash care: industrial laundry - OilBlok, industrial laundry - light soil, home wash;