100% preshrunk cotton; Double-needle stitching throughout; Seamless, 7/8"" collar; Taped shoulder-to-shoulder; Ash Grey is 99% cotton, 1% poly; Antique Royal, Sport Grey 90% cotton, 10% poly ; Antique Cherry Red, Antique Irish Green are 90% cotton, 10% poly ; Heather Sapphire, Safety Green, Safety Pink, Safety Orange, 50% cotton, 50% poly; Dark Heather, Heather Cardinal, Heather Indigo, Heather Navy, 50%cotton, 50%poly;