4.2 oz./yd² (US), 7 oz./L yd (CA), 52/48 Airlume combed and ring-spun cotton/polyester fleece, 32 singles; Athletic & Black Heather are 90/10 Airlume combed and ring-spun cotton/polyester; Pre-shrunk; Relaxed fit; Side seams; Tear-away label; This product meets the following Sustainable Style subcategory:Socially Conscious Manufacturing: This product was made in a facility that partnered with or is accredited by the Fair Labor Association and made in a facility that is WRAP and bluesign certified.