4.5 oz., 100% preshrunk combed ringspun cotton; Double-needle stitching on neck, armholes and bottom hem and Single needle neck; Junior silhouette with display tape, cap sleeves and sideseams; Double-needle sleeve and bottom hem and TearAway™ label; Certified under Oeko-Tex® Standard 100; Heather Grey is 90% cotton, 10% polyester; Heather Green and Heather Purple are 60% polyester, 40% cotton;