T-shirts are casual, comfortable tops typically made from soft fabrics like cotton or cotton blends. They usually have a round neckline and short sleeves, offering a relaxed fit. T-shirts are available in a variety of designs, including plain, graphic, or patterned, making them versatile for everyday wear. They're breathable and easy to care for, making them ideal for casual outings, lounging, or layering under jackets or shirts. T-shirts are a wardrobe essential, known for their simplicity, comfort, and flexibility in styling.