A men's micro bikini is generally cut like a traditional men's swim brief but with thinner sides and a smaller front and back. Micro bikinis are usually triangular with small pouches in the front and material that covers a portion of a man's bottom.
The traditional men's racer or swim brief is a paneled suit with side panels ranging from one and three inches and with front and rear panels that provide full coverage. On the other hand, a micro bikini shows significantly more skin. Instead of a front panel, there may be a front pouch with thin straps on the side. The rear of a micro bikini usually sits lower on the body, and seat coverage ranges from athletic coverage to a minimal coverage thong.