Heather Grey is 90/10 ringspun cotton/polyester. 4.3 oz., 100% combed ringspun cotton, 30 singles. Oeko-Tex Standard 100 Certified. Double-needle stitched bottom hem. Contrast color binding at neck and sleeves. TearAway. Semi-fitted. Preshrunk jersey knit. High stitch density for smoother printing surface. Heather colors are 35/65 ringspun cotton/polyester.