The ThermoNet™ Buff multifunctional headwear provides maximum protection from the cold. This comfortable, thin multifunctional headwear is made with breathable, durable PrimaLoft® yarn that is four times warmer than regular microfiber. The result of years of research and testing, ThermoNet™ multifunctional headwear wicks moisture away from your skin while trapping heat inside, keeping you comfortable and dry in even the most frigid winter weather.