100% preshrunk ringspun cotton; Dark Heather, Heather Irish Green, Heather Military Green, Heather Navy, Heather Orange, Heather Purple, Heather Royal are 65% polyester 35% cotton; Antique Cherry Red, Antique Heliconia, Antique Sapphire and RS Sport Grey are 90% cotton 10% polyester; Graphite Heather is 50% cotton 50% polyester; Antique Cherry Red, Antique Heliconia, Antique Sapphire and Sport Grey are 90% polyester 10% cotton; ¾" rib knit collar; double-needle stitched sleeves and bottom hem; taped neck and shoulders;