Then there's these-
http://www.hoodjeans.co.uk/
I've got a pair of their jeans and they're very good. The lining is the same material as Kevlar but they're not allowed to use the name which is a registered trade mark. The armour, should you want it, fits between the lining and the heavy denim and not against your skin. UK made.
John


the trouble with the world today is apathy. but I don't care