De Marchi's Contour Plus Headband is smart piece if you want to cut down on the windchill against your forehead or to keep your ears toasty warm. For these purposes it has a swatch of windproof Thermashield fabric that runs across the front to just behind the temples. Your ears will be warm behind ThermoRoubaix HT fabric. One benefit of this permeable material over the ears is that you'll still be able to hear well. The Contour Plus Headband is 7.5cm (3") tall, and one size fits all.