At Starr King, We Are Better Together T-shirts available in navy, heathered navy, black or sport grey. All of the navy shirts, are 4.3 oz.-100% combed ring spun cotton. The heathered navy, black and sport grey are 4.3 oz.-50/50 combed ring spun cotton/polyester. The combed ring spun cotton makes for a softer, lighter and more comfortable feel. (DM108/DT104)