The ao dai is a traditional Vietnamese garment characterized by its long, flowing design. It typically consists of a fitted top that extends to the knees or lower, paired with loose trousers. The outfit is often made from silk or other lightweight fabrics, making it comfortable for various occasions. Worn by both men and women, the ao dai is especially popular during festivals, weddings, and national celebrations. It symbolizes Vietnamese culture and identity, showcasing intricate patterns and vibrant colors that reflect the wearer's personality and regional heritage.