4.6 oz., 100% preshrunk ringspun cotton Athletic Heather is 90/10 cotton/polyester Colored heathers are 60/40 cotton/polyester Soft, lightweight 30 singles Dual Defense™ odor control technology and moisture wicking properties Classic fit Seamless 1x1 rib collar with double-needle coverstitching on front neck Shoulder-to-shoulder taping Double-needle hemmed sleeves and bottom hem Quarter-turned to eliminate center crease Tearaway label