3.7 oz.(US) 6 oz.(CA), 50/25/25 polyester/cotton/rayon,Triblend Oatmeal is 50/37/13 polyester/cotton/rayon,Shoulder-to-shoulder taping,3/4" seamed collar,7/8" blind-stitch sleeve hem,7/8" double-needle bottom hem,Side seams,Double-satin razor label