6 oz /yd² (US) 10 oz /L yd (CA) 100% cotton 18 singles Ash is 99/1 cotton/polyester Heather Grey is 90/10  cotton/polyester Charcoal Heather & Safety Green are 50/50  cotton/polyester Relaxed fit Wide rib collar Taped neck and shoulders for comfort and durability 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