Material World is taking a look at the basics -- underwear. Technology and innovation has infiltrated the rest of your closet. Now, entrepreneurs say it's time to upgrade your underwear drawer. There's plenty to pick from: The global men's underwear market is expected to expand to $11 billion in 2020 from $8.4 billion in 2015, according to Persistence Market Research. That 31 percent jump dwarfs the expected 14 percent growth in the overall men's apparel market to $33 billion in 2020, according to Edited. Jenny and Lindsey talk with the founders of My Pakage and Tommy Johns, mens' brands, and Thinx, the so-called period underwear, to explore trends driving this market. Plus, they host a consumer-expert panel to find out if the new products actually live up to the hype.