Anvil Men's Self Trim Neck Preshrunk Ringspun Tear Away Label Cotton Tank Top 100% Cotton 4.5 oz., 100% preshrunk ringspun cotton. Double-needle bottom hem. Features a TearAway label. Oeko-Tex Standard 100 Certified. Heather Grey 90/10 cotton/poly , all other heathers colors are 60/40 poly/cotton.