4.2 oz./yd² (US) 7.8 oz./L yd (CA), 50/25/25 polyester/combed ring-spun cotton/rayon, 32 singles Polyester and rayon gives a drapey and ultra soft hand. Semi-fitted Moisture-management properties Narrow width, rib collar Taped neck and shoulders for comfort and durability Side seams, with a curved bottom hem Tear away label Responsible Supplier:  this product was made in a facility that is OEKO-TEX and FLA certified. Responsible Materials:  contains US grown BCI cotton