Sleeveless dresses are garments designed without sleeves, allowing for greater freedom of movement and breathability. They come in various styles, lengths, and fabrics, making them suitable for different occasions, from casual outings to formal events. Popular materials include cotton, silk, and chiffon, which can enhance comfort and aesthetics. These dresses are often worn in warm weather, as they provide a cool option for staying stylish. Sleeveless designs can feature various necklines, such as halter, strapless, or spaghetti straps, and can be accessorized with items like jackets or scarves for added flair.