The Seirus EVO Arc Clava Balaclava is warm, comfortable, and versatile. Made for adventurers that crave exploring through frigid conditions, this balaclava has a 4-way stretch and an integrated flexible Arc mask which creates a free-breathing, talking pocket. It offers the amazing warmth of 200 g performance fleece and wind block from the weather-shielding power of Neoprene. HeiQ V-Block technology is utilized to provide antimicrobial protection inside and out. The Seirus EVO Arc Clava Balaclava provides the perfect layer of defense as you take an adventure in the mountains.