3.8 oz., 50/25/25 polyester/airlume combed and ringspun cotton/rayon, 40 singlesBlack Heather Triblend is 70/15/15 airlume combed and ringspun cotton/polyester/rayonRelaxed fitRaw-edge seamsRacerbackSide seamsTear-away label"CLICK HERE for fabric guide & screen printing tips"