The N-Ferno Balaclava Face Mask by Ergodyne is a cold weather face mask made of 92% polyester and 8% spandex. It features a hinged design that allows the mask to be worn in multiple ways, such as full face coverage, open face, or neck gaiter. The fabric is breathable, moisture-wicking, and wind-resistant. The mask can be worn under a hard hat or helmet and is designed to fit under protective eyewear. It is seamless for comfort and is machine washable. The balaclava comes in black and provides warmth and protection in cold work environments.