A one-piece swimsuit most commonly refers to swimwear worn by women and girls when swimming in the sea or in a swimming pool, or for any activity in the sun, such as sun bathing. Today, the one-piece swimsuit is usually a skin-tight garment that covers a female's torso, except maybe the back or upper chest.
The triangle top is the most common and popular bikini top. Triangle tops are just that – triangle shaped cups strung onto thin straps. While triangle tops tie around the neck as halter tops do, triangle tops tend to offer less coverage and support, giving you a sexy beach style.