6.1 Oz/SqYd, 20/1 yarn count; 100% ring spun US cotton; Our clean pigment dye colors use 50% less water than traditional pigment dye processes;Topstitched, classic width, collar; Taped neck and shoulders; Boxy fit, slightly cropped tubular body; Signature twill label; Pre-shrunk during the garment dye process; Proud member of the US Cotton Trust Protocol (USCTP) and Better Cotton; Cotton products from Comfort Colors support more sustainable and ethical cotton farming;