Just a classic Stetson, Silverbelly, 4x Beaver cowboy hat. Colors : Frequently black, silverbelly (light grayish-beige), or brown. “4X” refers to the quality/weight of thefur felt (usually beaver or beaver blend), indicating a durable, mid-tier premium felt hat—thicker and more resilient than basic wool felt but below the ultra-high-end 10X–100X beaver hats.