The iconic original! The US Government issue 100% wool jeep watch cap is the perfect response when the weather turns nasty. Wool is natures wonder fiber. It is the only all natural fiber that keeps its insulating properties even when wet, allowing for effective use in the most extreme conditions. Wool is naturally anti-microbial, fire retardant, and wicks moisture away from the body. There’s a reason why this is a perennial best seller – it kicks cold’s butt!