We're bigger! Largest cowboy hats on the market: 50 gallons! (28" in diameter/8" high). Oversized foam cowboy hats aren't just for football games; they're also a great costume accessory. Add a touch of zaniness to any character or clown skit by including a 50 gallon cowboy hat. Buy a clown cowboy hat in black and one in yellow, and you've got a classic Western showdown, clown style!