These are HG Jake II trousers, not GorTex, but they are Sheltex, I've had them for over a year now and they are ok, not had to go through a downpour yet..... But they look like 'normal' trousers, as far as you can with biking gear.
http://www.hein-gericke.co.uk/shop/p...oducts_id/3189
Nick.