I'm not sure if this is what I'd call "awesome," but it's certainly interesting. It's undies that leave imprints on your body.
I don't know why you'd want imprints on your butt, why you'd want to sit uncomfortably with things digging into your skin, or why you'd show people "HEY LOOK AT THIS IMPRINT ON MY ASS!" but hey, whatever floats your boat.
They're called Souffrez Pour Moi, and have sequins on the inside of the material.