4.5 oz., 55/45 combed and ringspun cotton/polyester, 40 singlesDeep Heather is 52/48 combed and ringspun cotton/polyesterThree-quarter inch neck binding and 3" rib cuffMini waffle thermalSide-seams, retail fitContrast color coverstitched neck, shoulders, armholes, cuffs, and bottom hemBlack/Black, Deep Heather/Deep Heather, and White/White have no contrast stitching