Kyle Shanahan’s hat ... to Bill O’Brien’s sweatpants & Kyle Shanahan’s flat-brimmed hat. NFL coaching fashion has really cratered. From quoting Lil’ Wayne lyrics to wearing Yeezy ...

San Francisco 49ers coach Kyle Shanahan is particular about hats. Like Bill Belichick with his hoodies, Shanahan has become known for wearing wide, flat-brimmed ... GQ has inspired men to look ...

In fact, in the year 1900, over 42 million hats were sold—more hats than there were adult men. Styles like the fedora, the homburg, and the flat cap ... influence on hat-wearing habits.