4.5 oz., 100% combed ringspun cotton,Black/ Vintage Camo is 100% cotton with 60/40 cotton/polyester shoulders & racerback,Heather is 93/7 cotton/polyester,Semi-fitted,Self-fabric binding at neck, armholes and racerback,Forward shoulder and racerback piecing,Double-needle stitched bottom hem,Droptail with side vent construction,Side seams,EasyTear� label