US Patent 7823222 Hood with adaptive face opening

A protective hood is provided for covering at least a portion of a wearer's head. The hood includes an upper head covering section, a posterior head covering section, a neck covering section and an anterior head covering section. The anterior head covering section includes a window through which a portion of the wearer's face is exposed. The window is adjustable from a first position to a second position, exposing different portions of the wearer's face.