The boxers brief styles are typically categorized based from the fit of the boxer briefs. There are boxers briefs styles that are intended to be loose-fitting to an individual, while there are boxers briefs styles which are intended for those who want tight-fitting boxer briefs. The tight-fitting boxers briefs styles were probably taken from the overall design of cycling shorts, and the loosse-fitting boxers briefs styles were probably developed in order for the boxer briefs to act as small shorts.
But the different boxers briefs styles are also categorized based on the designs of its fly, which means that a particular boxer brief style comes with a multitude of options such as those that have front snap-on buttons, pouches, no functional flys, or the ones that have access flaps. On the other hand, more boxers briefs styles have hit the market because of the advent of boxer briefs that come with custom graphical designs and unusual colors.