5.5 oz. (US) 9.2 oz (CA), 50/50 cotton/polyester, 20 singles Safety Green is compliant with ANSI / ISEA 107 high-visibility standards 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 Left chest pocket 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