Properties: HI-TEC CALDERA seamless balaclava – perfect for wearing under a helmet A balaclava is a ski and snowboard essential – because it precisely covers the head and face, it provides full protection against the cold. The CALDERA model also guarantees the highest level of wearing comfort. The balaclava is made of a soft, skin-friendly synthetic material that is characterized by good breathability. It effectively insulates against the cold, and thanks to its seamless production technique, it does not cause skin irritation or abrasions.