I have tried all the usual over priced crap and now for the past couple of years I have been wearing Shooterking, and there fantastic, waterproof, warm , and very well thought out.ns smart looking .
I spend everyday out in the fields and these trousers are bomb proof.
https://www.uttings.co.uk/p130648-shooterking-venatu-trousers-green-sh-k1342/#.YKpETC94Wf0