4.2 oz., 30 combed ring-spun singles; Solid Black, Solid White, Solid Navy, Solid Charcoal, Tri Plum, Tri Black are: 50% cotton, 25% polyester, 25% rayon; Tri Charcoal, Tri Dark Grey, Tri Denim, Tri Athletic Grey, Tri Olive, Tri Fuchsia are: 50% cotton, 38% polyester, 12% rayon; USA fabrics assembled in Mexico; Tear-Away Label