3.5 oz./yd², (US), 5.8 oz./L yd (CA), 100% polyester moisture-management/antimicrobial performance fabric Self-fabric collar Double-needle stitched hem with tack Tear away label This product meets the following Sustainable Style subcategory: Socially Conscious Manufacturing: This product was made in a facility that has partnered with or is accredited by the Fair Labor Association.