Some you tube videos that I use quite often in lessons.

Useful video clips for A-level lessons about wicking properties of some new(ish) fibres like cool max, the Tencel promo is a couple of years old but useful as a starting point from which you can explain how lyocell has developed in recent years.


http://www.youtube.com/watch?v=X5_Z_8iqUAw

http://www.youtube.com/watch?v=SmcWzSjVegQ

http://www.youtube.com/watch?v=2X6tsGfIVL8