Square Globe,
Hiya <img src="/forums/images/graemlins/grin.gif" alt="" />
Silk longunderwear is about as useful in snow as a screen door on a submarine. <img src="/forums/images/graemlins/blush.gif" alt="" />Take something warmer.
And if you expect weather mostly above freezing with the possibility of some cold, leave the down jackets and carry fleece.

Jim <img src="/forums/images/graemlins/cool.gif" alt="" /> YMMV
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These are my own opinions based on wisdom earned through many wrong decisions. Your mileage may vary.