Coif -

A coif is a close-fitting cap that has been a staple of European dress for centuries, primarily serving as a foundation layer or protection.

: It was frequently worn over a padded arming cap (to absorb impact) and under a heavy steel helmet. A coif is a close-fitting cap that has

In a military context, the coif is a vital piece of defensive armor designed to protect the head, neck, and shoulders. : From the 12th to the 15th centuries,

: From the 12th to the 15th centuries, it was standard everyday wear for all classes. It was considered "underwear" for the head; no respectable person would appear in public without their head covered, often wearing a more formal hat over the coif . A coif is a close-fitting cap that has

: Often built using a "European 4-in-1" weave pattern, it starts as a small hexagon at the crown and expands outward to create a domed shape that fits the human skull.