A thong is a type of underwear that features a thin strip of fabric that runs between the buttocks. This style of underwear is typically worn to prevent visible panty lines under tight-fitting clothing. Thongs come in various materials, such as cotton, lace, and satin, and can be found in a wide range of colors and designs. Some people find thongs to be more comfortable than traditional underwear because they eliminate the need for excess fabric. However, others may find thongs to be less comfortable due to the minimal coverage they provide.