, a Chicago department store unveiled a new kind of underwear for men: the Jockey. The manufacturer, Cooper’s Inc., later became known as Jockey. Seventy four years later, briefs are still the most popular style of men’s underwear overall. Lots of leading men prefer briefs. James Franco, Tom Selleck, William Shatner and Ashton Kutcher
, according to the celebrity boxers or briefs list.