In reply to ScottTalbot:
No big brand mountaineering clothing is made in UK anymore except the Rab high end exped custom stuff, everything else is designed here & British brand, but made in China, Thailand, Chile, Morocco, Turkey, Malaysia, & in the best/cheapest factory they want for that product.
Made in UK tailoring:_
Cioch do custom one off tailored fit waterproof & fleece stuff:-
http://www.cioch-direct.co.uk/perfect_fit/perfect_fit.html
PHDesigns do custom down clothing & sleeping bags:-
http://design-your-own-down-jacket.phdesigns.co.uk/
British main stream brands which do clothing but made not in UK:-
Alpkit
Berghaus
Buffalo
Karrimor (owned by Lonsdale, which is owned by Sports Direct & very diluted brand quality)
Keela
Montane
Mountain Equipment
Outdoor Designs (part of Equip Outdoor technologies which own Rab)
Paramo
Rab
Snugpak (formally Brett Harris)
Target Dry (Northern Ireland)
Wynnster (name bought by Unipart Automotive & just tents now, but made very good wind/water proof fleeces & tough WP full zip over trousers)
Post edited at 18:02