5 oz./yd., 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.