Hanes Men's ComfortBlend EcoSmart Crewneck T-Shirt 50% Cotton, 50% Polyester Pull On closure ComfortBlend: 5.2 oz 50% cotton / 50% polyester ultra comfortable blend EcoSmart: Made with up to 5% polyester from recycled plastic Lay Flat Collar stays flat, keeps its shapeguaranteed! Tag-free neck label Durable double stitching reinforces neck, sleeves, and hem.