5.3 Oz., 100% Preshrunk Cotton; Antique (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; Made With Sustainably And Fairly Grown Usa Cotton; 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; Gildan's Manufacturing Process Utilizes 45% Renewable Energy; Gildan’s Community Investment Program Supports Education, The Environment, Humanitarian Aid And Active Living In The Communities We Do Business In