Wiktionary
a. Without a visor.
Usage examples of "visorless".
Sir John Hailey in the face left exposed by his visorless bascinet, wrenching off both helmet and head and flinging the blood-spouting body back down onto the heaving deck of the sloop Lioness.
Mikken had given him a rusty old visorless helm from the armory, but Bran seldom troubled to wear it.
When he took off his plain visorless helmet and thrust back his mail coif, his square-cut, black hair that topped his low broad forehead contrasted strongly with his cold blue eyes.
His knee-length cape was crimson, and his visorless helmet had a horse-hair crest.
The round, almost visorless cap, heavily and softly quilted in protection against the helmet of his armor.
They gaped at the visorless caps the soldiers wore tilted to one side, at their blue revolver cords, and at the gleaming white blades of the swords in their swinging hands.