5.5 oz. 100% cotton ring-spun cotton; Made with sustainably sourced USA grown cotton;3/4 inch hems; Enzyme-washed for ultimate softness; Proprietary process minimizes dye migration; Twill shoulder-to-shoulder neck tape; Double-needle coverstitching throughout; Ribbed neckline and armholes; "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;