It's made of 4.5 oz., 60% combed ringspun cotton/40% polyester (natural heather is made of 100% combed ringspun cotton) and has printed star vintage fine jersey. This features double-needle ribbed binding on the lap shoulder, neck, shoulders, sleeves and leg opening, flatlock stitched seams, an innovative three-snap closure, side seam construction, and a tear away label. 2% of all Code Five™ sales are donated to children of Fallen Soldiers Relief Fund, Inc. and Fisher House™.