ThermoNet® Hinged Balaclava. Extra lightweight balaclava ideal for full-face coverage during high-intensity activities like running, hiking, skiing, and cycling. Take your performance to its highest level thanks to its wicking and insulating properties. The new BUFF® ThermoNet® Balaclava has multiple ways to wear for ultimate versatility and a ponytail opening for extra comfort. This product contains 1 recycled plastic bottle. There is not trick, it's called sustainability! Designed to wick away moisture in an efficient and fast way. Ideal for high intensity activities. Low weight product, designed to be extremely light to wear and carry. Perforation in mouth area to improve comfort and breathing. Ideal for snow sports and life outdoors. Designed for protection in cold weather.