PPU Size Chart PPU Men's Underwear takes your underwear over the Top! With a unique collection of jockstraps, thongs, boxer briefs, briefs and harnesses that take sexy to a sporty new level, PPU men's underwear combines sexy and sporty into what you wear down there. Fabrics like stretch microfiber, see-through mesh and completely sheer fabrics will stimulate your body while PPU's profile-enhancing style may even make you feel a bit naughty!