5.4 oz./yd, 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 migration When applying white ink, use a gray plastisol blocker under base, flash then poly white.