4.2 oz., 100% combed and ringspun cotton, 32 singles; Athletic Heather and Black Heather is 90% airlume combed and ringspun cotton, 10% polyester; Dark Grey Heather is 52% airlume combed and ringspun cotton, 48% polyester; triblend colors are 3.8 oz., 50% polyester, 25% airlume combed and ringspun cotton, 25% rayon, 40 singles; relaxed fit; side-seamed; tear away label ; pre-shrunk