4.5 oz., 100% preshrunk ring spun cotton. Tear away label. Taped neck and shouldersFitted silhouette with side seam. Seamless double needle 1/2" collarDouble needle sleeve and bottom hems. Heather colors: 35/65 cotton/polyesterHigh stitch density for smoother printing surface. Antique color & Sport Grey: 90/10 cotton/polyester