Hallo allus,
sorry for the english but have you guys seen this stuff???
Check this out all, its going into biker clothing. A soft foam that goes hard on impact!!!
its thin and light and flexible so you wont notice it in your kit (unlike conventional armour)
anyway there is a short video of it here by Skynews
http://skateandannoy.com/2007/12/04/can…r-hat/#comments
Cool! 
moto