Pro Club T-shirts are made in the USA. Heavyweight Pro Club T-Shirts are heavy duty cotton tees with a nice soft hand feel. Customers love Pro Club T-Shirts because the collar keeps its shape overtime without stretching out or sagging. The shirts are pre-shrunk and made of 100% cotton (Gray: 90% cotton / 10% polyester, Charcoal: 50% cotton / 50% polyester).