4.3 oz., 100% pre-shrunk combed ringspun cotton, 32 singles Heather Grey is 90/10 ringspun cotton/polyester Heather colors are 35/65 ringspun cotton/polyester Semi-fitted Contrast color binding at neck and sleeves Double-needle stitched bottom hem Tubular construction TearAway™ label Oeko-Tex® Standard 100 Certified