An undershirt is a form-fitting garment worn underneath a shirt, blouse, or dress to provide an additional layer of comfort and protection. Typically made from soft and breathable materials such as cotton, modal, or bamboo, undershirts are designed to be lightweight and seamless, ensuring a smooth silhouette under clothing. Undershirts come in various styles to suit different preferences and needs. Tank tops, crew necks, V-necks, and scoop necks are popular options, with sleeveless and short-sleeve varieties available for warmer weather, and long-sleeve versions for added warmth in cooler temperatures. The primary function of an undershirt is to absorb sweat and prevent it from reaching the outer layer of clothing, helping to keep the wearer feeling fresh and dry throughout the day. They also provide an extra layer of insulation in cold weather, making them versatile pieces for year-round wear. Undershirts are often worn by both men and women as a practical undergarment, offering comfort, modesty, and protection for outer clothing. They are essential wardrobe staples that can enhance the overall look and feel of an outfit while providing functional benefits.