Port & Company Core Cotton Tank Top. PC54TTA value-priced tank created from soft 100% cotton., 5.4-ounce, 100% cotton, 50/50 poly/cotton (Dark Heather Grey, Neons), 90/10 cotton/poly (Athletic Heather), Removable tag for comfort and relabeling, Due to the nature of 50/50 cotton/poly neon fabrics, special care must be taken throughout the printing process.