TILLEY TEC-WOOL HAT : This lightweight version of the TW2 has C_Change fabric technology and tuck away ear warmers. The C_Change membrane is bonded to the fabric and reacts to changing body temperatures to ensure comfort and warmth. The exterior fabric is made from Teflon coated, 100% wool, offering water, snow, and stain repellency. Secret pocket inside with soft, close-knit, tuck-away ear and forehead flaps for extra warmth. Guaranteed for Life not to wear out and comes with a 2-year Insurance Policy. UPF50+, Brim: 2 1/8" sides, 2 5/8" front and back. Made in Canada