5 oz./yd(US) 8.3 oz./L yd (CA), 100 polyester . Safety Green is compliant with ANSI/ISEA 107. Midweight performance fabric. Classic fit. Moisture management, odor control and snag-resistance properties with a soft hand of cotton. Single-needle topstitched, classic width collar. Taped neck and shoulders. Double-needle sleeve and bottom hems. Side seams. CPSIA Tracking Label Compliant. Tear away label.