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,7/8" seamed collar,1" blind-stitch sleeve hem,1" double-needle bottom hem,Side seams,Double-satin razor label