4.5 oz./yd², 60/40 combed ringspun cotton/polyester, 30 singles; Black/White, Natural Heather/Granite Heather and White/Black are 100% combed ringspun cotton; Two contrast stripes on sleeves; Front yoke; Ribbed collar; Shoulder to shoulder self fabric back neck tape; Double needle sleeves and bottom hem; Side seam construction; CPSIA compliant tracking label in side seam; EasyTear™ label; This product meets the following Sustainable Style subcategory:Socially Conscious Manufacturing: This product was made in a facility that is WRAP certified