帽子をかぶっていない

Translation

hatless / uncovered

Meaning

Wearing nothing on one's head, such as a hat, cap, or hood.

Examples

• It was considered impolite for a gentleman to remain bareheaded while inside the cathedral.
  It was considered impolite for a gentleman to remain bareheaded while inside the cathedral.
• The statue depicts a soldier standing bareheaded in a moment of solemn reflection.
  The statue depicts a soldier standing bareheaded in a moment of solemn reflection.