4.6 oz./yd (US), 7.7 oz/L yd (CA), 60/40 ringspun cotton/polyester, 30 singles. Subtle heather texture on all colors except Pitch Black and White. Polyester gives a drapey and soft hand. Modern classic fit. Narrow width, rib collar. Taped neck and shoulders for comfort and durability. Tear away label. CPSIA Tracking Label Compliant. 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 in a facility that utilizes the Higg Index and has implemented Level 2 practices or above, was made by a mill who partnered with Fair Labor Association and was made in a facility that is WRAP certified.