Bras, short for brassiere, refer to a type of women's undergarment designed to cover and support the chest area. Bras are made from a wide variety of materials and their style and design depends on factors such as size, types of clothing, and activity. Types of bras may include, but are not limited to; paddedbras, push up bras, sports bras, strapless bras, backless bras and camisoles.