3.6 oz./yd², 65/35 polyester/combed ring-spun USA cotton, 30 singles; Heat-set to minimize shrinkage; Slim fit; Self-fabric collar; Back neck tape; Side seams; Double-needle stitching on sleeves and bottom hem; Tear away label; USMCA certified; This product meets the following Sustainable Style subcategories:Sustainable Manufacturing: This product meets the OEKO-TEX Standard 100 Socially Conscious Manufacturing: This product was made in a facility that holds a SMETA audit certification