Le Mystere Seamless Comfort Bikini Panty (6617). The Le Mystere Seamless Comfort Bikini Panty 6617 has two-ply waistband with debossed "Le Mystere," mid-rise styling, no tags, and very soft microfiber knit. Bikini panty gives moderate, "cheeky" rear coverage. Le Mystere's Seamless Comfort Bikini Panty is made of nylon/spandex.