4.5 oz./yd², 100% combed ring-spun cotton ; Heather Grey is 90/10 cotton/polyester; Ash Grey is 99/1 cotton/polyester; 100% cotton thread on color white; Classic fit; Left chest single needle set-on pocket; Shoulder-to-shoulder tape and 7/8” seamed collar; 1” double-needle sleeve, pocket and bottom hem; Side seams;