Sweaters are knitted garments designed for warmth and comfort, typically made from wool, cotton, or synthetic fibers. They come in various styles, including pullovers and cardigans, and can feature different necklines such as crew, V-neck, or turtleneck. Sweaters are versatile and suitable for both casual and semi-formal occasions, offering a cozy layer for cooler weather. Available in a wide range of colors, textures, and patterns, they can be worn alone or layered over shirts, making them a wardrobe staple for all seasons.