5.5 oz./yd²., 50/50 U.S. cotton/polyester, 20 singles  Safety Green is compliant with ANSI / ISEA 107 high-visibility standard The Dry Blend collection is made with high twist yarns that help reduce pilling, enhance durability and create a smoother printing surface. Classic fit Classic width, rib collar Taped neck and shoulders Tear away label Responsible Supplier:  this product was made in a facility that is OEKO-TEX and FLA certified. Responsible Materials:  contains US grown BCI cotton