4.5 oz./yd² (US), 7.5 oz/L yd (CA), 100% ring-spun cotton, 30 singles; Sport Grey is 90/10 ring-spun cotton/polyester; Softstyle's high stitch density, soft ring-spun cotton and cotton blend fabric offers a smooth printing surface; Semi-fitted; Self-fabric trim applied to neckline and armholes; Tear away label; Gildan partners with Better Cotton to improve cotton farming globally; Made with OEKO-TEX certified low-impact dyes; This product meets the following Sustainable Style subcategories: Sustainable Manufacturing: This product meets the OEKO-TEX Standard 100. Socially Conscious Manufacturing: This product was made by a mill who partnered with Better Work, Fair Labor Association and was made in a facility that is WRAP certified.