4.3 Oz. / Yd2, 30 / 1's Fabric; 100% Combed Ring-Spun Cotton; Heather Grey Is 90% Cotton / 10% Polyester; 100% Cotton Thread On Color White; Shoulder-To-Shoulder Tape And 7 / 8" Seamed Collar; 1” Double-Needle Sleeve And Bottom Hem; Double-Satin Razor Label; Tubular Body; American Apparel's Manufacturing Process Utilizes 45% Renewable Energy; American Apparel®, Through Gildan’s Community Investment Program, Supports Education, The Environment, Humanitarian Aid And Active Living In The Communities We Do Business In