5.3 oz /yd² (US) 8.8 oz /L yd (CA) 100% cotton 20 singles Sport Grey is 90/10 cotton/polyester Heather colors are 50/50 cotton/polyester Innovation you can feel Made with 100% U S cotton and the latest breakthrough in soft cotton technology the Gildan® Heavy Cotton family has been remastered for improved printability quality and comfort you can see and feel Semi fitted Rib collar Taped neck and shoulders for comfort and durability Cap sleeves Side seams Tear away label Proud member of the U S Cotton Trust Protocol Made with OEKO TEX certified low impact dyes div div span style text decoration underline strong This product meets the following Sustainable Style subcategories /strong /span /div div br /div div Sustainable Manufacturing This product meets the OEKO TEX Standard 100 /div div br /div div 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 /div /div