Dark Heather colors & Safety colors: 50/50 cotton/polyester. 6 oz., 100% preshrunk cotton. Sport Grey: 90/10 cotton/polyesterSeamless double needle 5/8" collar. Double needle sleeve and bottom hemsTearaway label. Taped neck and shoulders. Quarter-turned to eliminate center creaseClassic fit with a feminine-inspired pattern. Safety Green: Compliant with ANSI / ISEA 107