The Buffalo range of British made, outdoor performance clothing and sleeping bags are designed for use in a variety of activities and conditions, including winter weather.
This is a brand of outwear used by various mountain services and outdoorsy types in the UK that I had never heard of; a Scottish lumberjill enlightened me. For once the ladies' options trump the men's I think. The range is def' lo-frill, and less expensive than most other options. And they love their pullovers...
Buffalo goods rely on their own Pertex/Pile system. Pertex® is a densely woven fabric with high capillary action, and when combined with pile linings, a garment is produced which is windproof, warm, lightweight and resists rain. Further reading.