US Patent 7152252 Convertible face and head covering

An enhanced mask system including a mask portion, for covering the nose, mouth and lower face of a wearer. The mask portion has an inner surface for being closer to the wearer and an outer surface for being further from the wearer. A head covering or balaclava is secured to the mask portion and a pocket secured to the inner surface of the mask portion removably contains the head covering or balaclava when in its secured position. The mask can be worn by the wearer either with the head covering or balaclava on the wearer's head in a deployed position or without the head covering or balaclava on the wearer's head and stowed in the pocket in the secured position.