Boxer underwear or boxer briefs are underwear that has longer leg room than the usual briefs. This first appeared in the market around 1990 and has stayed as an essential part of every man’s wardrobe.One main thing why many men prefer boxers is the fact that it offers more freedom of movement. Briefs can be restrictive while boxers offer more room to move and breathe. It is more comfortable and loose enough to feel light as you spend your day wearing it. Also, some boxers are worn in place of shorts as long as they are not too revealing or too short. When it comes to style, boxers can come in either classic or modern. There are many designs for briefs - they can have a keyhole fly, snap front, pouch or they may come without any fly at all.