5.4 oz./yd², 100% combed ring-spun cotton, 24 single; 1x1 baby rib set-in collar with front coverstitch; Twill tape at back neck; Side seams; Tear away label; Due to the unique pigment dying process we suggest the following:Use methods and inks specific to avoiding dye migrationWhen applying white ink, use a gray plastisol blocker under base, flash then poly white