4.3 oz./yd² (US), 7.2 oz./L yd (CA), 100% combed ring-spun cotton, 32 singles; Oatmeal is 99/1 cotton/polyester; Heather Grey is 90/10 cotton/polyester; Set-in 1x1 baby rib collar; Hemmed sleeves; Side seams; Tear away label; This product meets the following Sustainable Style subcategory:; Socially Conscious Manufacturing;