A thong one-piece swimsuit is a type of one-piece bathing suit that features a thong bottom, which is a type of underwear or swimwear that has a narrow strip of fabric that sits between the buttocks, covering only the bare minimum and leaving most of the buttocks exposed. This style is considered a more daring and risqué style of swimwear, as it shows more skin compared to traditional one-piece swimsuits.
Thong one-piece swimsuits can come in different designs, with different types of straps, cuts, and back styles, but all share the characteristic of the thong bottom, which is a narrow strip of fabric that sits between the buttocks. They can be found in a variety of fabrics and colors, and can be embellished with different design elements such as lace, sequins, or prints. This style can be a good option for those who want to add a touch of sexiness to their swimwear and have a more daring and confident look. However, it's important to note that this style may not be suitable for everyone, and also may not be appropriate for all occasions, depending on the level of coverage you are looking for. Additionally, it also may not be suitable for water activities or for extended periods of wear in the sun or water, because of the minimal coverage.