CAPS' Derbies and Caps are two types of headwear that have been popular for centuries. Derbies, also known as bowler HATS, were first created in the mid-19th century and have been a staple of formal attire ever since. Caps, on the other hand, are more casual and have been around since the early 20th century. Both styles of headwear are still popular today, with many people wearing them for fashion or practicality.