Ergodyne N-Ferno 6970 Extreme Balaclava Face Mask With Hot Rox, One Size, Black

Prepare yourself for extreme cold conditions by wearing the Ergodyne N-Ferno 6970 Extreme Balaclava Face Mask With Hot Rox. The built-in heat exchanger works to warm up cold air before you breathe it in, while the moisture-wicking fabric helps you stay dry and sweat-free as you work.