5 oz./yd²., 100% ringspun USA cotton, 24 singles; Pigment-dyed; Enzymed-washed; Ribbed, set-in collar; Side seams; Tear away label; USMCA certified; Due to the unique pigment dying process we suggest using methods and inks that avoid dye migrations. When applying white ink, use a gray plastisol blocker under base, flash then poly white