Full face balaclava freezer mask is made of neoprene windproof three layer fabric, perforated for easy breathing and form fitting. Balaclava mask for frigid freezer facilities can be used for construction workers as well and can be worn under helmet or alone. The thermal balaclava mask is perfect for cold working environments or for hunting and breathable in a four way stretch fabric that wont lose its shape. Ski hood keeps your face warm in frigid cold weather. Insulated balaclava freezer mask keeps your face and head warm when working in extreme cold conditions.