An evening gown, evening dress or gown is a long dress usually worn at formal occasions. The drop ranges from ballerina (mid-calf to just above the ankles), tea (above the ankles), to full-length. Such gowns are typically worn with evening gloves. Evening gowns are usually made of luxurious fabrics such as chiffon, velvet, satin, or organza. Silk is a popular fibre for many evening gowns. Wikipedia