Men's: Black Heather Triblend (70% Airlume combed and ring-spun cotton, 15% polyester, 15% rayon)
Women's: Tri-blend (50% polyester, 25% Airlume combed and ring-spun cotton, 25% rayon)
Please note that the Women's sizes are slim-fit. We recommend ordering one size larger than your usual size for a snug fit and 2 sizes up for a looser fit.