Men’s bikini underwear Men’s see-through underwear made from polyester/cotton/rayon Machine wash Imported Show ‘em everything you’ve got in this next-to-nude men's bikini underwear from the Extreme Collection. Designed for serious show and tell, the Extreme Chevron men's bikini underwear features a fired-up design of sheer and burnout stripes that give a revealing hint of what's underneath. Sexy to the max with lots of see-through mesh, the Extreme Chevron men's bikini makes it clear that all signs point to “go.”