3.8 oz., 50% polyester, 25% combed and ringspun cotton, 25% rayon, 40 singles; Black Heather Triblend is 70/15/15 airlume combed and ringspun cotton/polyester/rayon; Sideseamed; Racerback; Retail fit; Tear-away label Stylish Tank Tops, Gym Essentials, Heather Black, Summer Wear, Racerback Tank, Basic Tank Top, Bella Canvas, Breathable Fabric, Apparel Accessories