Different types may be worn by men, women, and children. Swimwear is described by a number of names, some of which are used only in particular locations, including swimsuit , bathing suit , swimming costume , bathing costume , swimming suit , swimmers , swimming togs , bathers , cossie short for "costume" , or swimming trunks for men, besides others. A swimsuit can be worn as an undergarment in sports that require a wetsuit such as water skiing , scuba diving , surfing , and wakeboarding. Swimsuits may also be worn to display the wearer's physical attributes , as in the case of beauty pageants or bodybuilding contests, and glamour photography and magazines like the annual Sports Illustrated Swimsuit Issue feature models and sports personalities in swimsuits. There is a very wide range of styles of modern swimsuits available, which vary as to body coverage and materials.