A summer beach dress is a lightweight, loose-fitting women's clothing typically worn at the beach or poolside. The dress serves as protection from the sun and sand, and also provides comfort and style in hot weather. A beach dress can be made from a light and airy material such as cotton, linen, chiffon or viscose to ensure coolness and good ventilation. It usually has a loose fit, which allows air to circulate freely and gives a feeling of freedom and comfort.