» For other uses of Brief(s), see Brief Briefs are a type of short, tight Y-shaped underwear and swimwear, as opposed to styles where the material extends down the legs. In the case of men's underwear, briefs, unlike boxer shorts, hold the wearer's genitals in a relatively fixed position, which makes briefs a popular underwear choice for men who are participating in athletic activities or who feel they need more support than loose-fitting underwear can provide. In addition, boxers often ride… (More on Briefs)