Tilley Tec-Wool Cap- A casual look for daily wear, the Tec-Wool Cap has all the comfort of a stylish military cap with the benefits of a classic Tilley travel hat. Treated for rain and snow, with tuckaway earflaps for warmth and a secret inner pocket to hold important items, this cap also features a unique C_Change membrane bonded to the fabric which reacts to changing body temperatures, ensuring constant comfort regardless of how warm or cool it is outside. This is a cap that can be worn all year "round without wearing out its welcome.