The brim is fairly wide, and is flat in front and back but with a moderate upturn on the left and right sides.
[3] The best-known portrayals of a wideawake hat are two self-portraits by Rembrandt from 1632.
A well-known depiction of this style is part of the logo for Quaker Oats.
[4] The hat gained in popularity in the Victorian era,[5] and was adopted in the 20th century as part of the dress uniform for some British boy-scouting organizations.
[7] Media related to Wideawake hats at Wikimedia Commons