5.3 oz./yd².,   100% U.S. cotton, 20 singles Safety colors are 50/50 cotton/polyester Sport Grey is 90/10 cotton/polyester Innovation you can feel. Made with 100% U.S. cotton and the latest breakthrough in soft cotton technology, the Gildan® Heavy Cotton™ family has been remastered for improved printability, quality and comfort you can see and feel. 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