Comfort Comes First Time to get acquainted with your sexy second skin. Introducing CheapUndies’ Fluid briefs, a selection of colorful briefs crafted out of naturally soft Lenzing Modal fabric (a material that’s totally ecologically sound, but that’s another story.) Featuring an enhancing pouch that maximizes the appearance of your package, and a full coverage rear. These undies feel better than wearing nothing at all. This is comfort you'll be able to feel everywhere.