5.2 oz., 50% cotton, 50% polyester; Sustainably sourced USA grown cotton; Welt collar; Clean-finished placket with two pearl buttons; Rib knit cuffs; Double-needle bottom hem; Tear-away label; "A-" list status from CDP (Carbon Disclosure Project); Energy Star Partner of the Year (14 consecutive years); Every piece of Hanes apparel purchased from our company qualifies for Hanes4Education