4.5 oz./yd² (US) 7 oz./L yd (CA), 100% combed ring-spun cotton; Heather Grey is 90/10 ring-spun cotton/polyester; 100% cotton thread on color White; Unisex; Classic fit; Shoulder-to-shoulder taping; 7/8" mitered "Original" V-neck collar; 1" double-needle sleeve and bottom hem; Side seams;