Encyclopedia of historical weapons - Close-helmet
Helmet which, with a full visor and bevor, completely encloses the head and face; modern use of the term tends to refer not to helmets with hinged cheek-pieces opening at the front (the armet) but visored helmets pivoting open on bolts or rivets each side of the skull. Contempor-garment with a number of large plates riveted inside, worn in the fourteenth century.