6.1 oz., 100% ringspun cotton; Ash is 99% cotton, 1% polyester; Light Steel is 90% cotton, 10% polyester; Charcoal Heather & Oxford Gray are 60% cotton, 40% polyester; Made with sustainably sourced USA grown cotton; Double-needle stitching throughout; Coverseamed neck with lay flat collar; Shoulder-to-shoulder tape; Tag-free neck label transitioning to tear-away label. INVENTORY MAY BE MIXED; “A” list status from CDP (Carbon Disclosure Project); Energy Star Partner of the Year (12 consecutive ye