4.5 oz.; pre-shrunk 100% ringspun cotton; 30 singles; Ash/Marbled: 99% ringspun cotton; 1% polyester; Lt Steel/Pepper Htr: 90% ringspun cotton; 10% polyester; Heathers: 60% ringspun cotton; 40% polyester; Made with sustainably sourced USA grown cotton; Modern fit; Set-in narrowed rib collar; Self-fabric neck tape for comfort; Double-needle hem and sleeves; Transitioning from Tagless/Nano-T labels to Perfect-T tear away label; Orders may contain a combination of both labels; Clean Canvas Technology for superior printability; 'A' list status from CDP (Carbon Disclosure Project); Energy Star Partner of the Year (12 consecutive years); Every piece of Hanes apparel purchased from our company qualifies for Hanes4Education;