In addition to being smooth and soft on the skin, silk is temperature-regulating and hypoallergenic, making it an excellent material to sleep in. And while it isn’t exactly known for being cheap ...

That's right, Superman is trading in his red cape, blue tights, and red silk underpants for a high and tight, a skivvy shirt and, well, he's still rocking silkies. By James Clark Posted on Jun 17 ...