• White(ish) is going to be the tricky bit. For sitting around and staying warm I like my submariner roll-neck (though it's not especially windproof); it is a bit utilitarian/Captain Birdseye, mind. Light grey will be a lot easier to find, and plenty of high street options there for a light/mediumweight wool sweater; M&S lambswool knits are as good as any, and easy to get hold of.

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