Underwear
- Episode aired Jul 17, 2008
- TV-PG
The history and modern technologies used in both men and women's underwear and socks. Also featured are high tech underwear with sensors and stay cool vests for sports.The history and modern technologies used in both men and women's underwear and socks. Also featured are high tech underwear with sensors and stay cool vests for sports.The history and modern technologies used in both men and women's underwear and socks. Also featured are high tech underwear with sensors and stay cool vests for sports.