100% preshrunk cotton; que (Cherry Red Jade Dome Irish Green Sapphire Orange) and Sport Grey are 90% cotton 10% polyester; Sunset Safety Pink Russet Neon (Green Blue) Midnight Lilac Blackberry Tweed Safety Green S. Orange Dark Heather Graphite Heather and Heather (Military Green Radiant Orchid Red Sapphire) are 50% cotton 50% polyester; Ash Grey is 99% cotton 1% polyester; Seamless rib at neck; Taped shoulder-to-shoulder; Double-needle stitching throughout; Tear-away label ; Safety Green is compliant with ANSI / ISEA 107 high visibility standards; Quarter-turned to eliminate center crease; 7/8" collar; Classic fit