Something that goes down (or up whichever way you want to look at it)
edit: BEATEN!

Sun protection/glasses/goggles and a hat.
Clothing wise, if they're giving you the outer layers all you need is something like tracksuit bottoms, t-shirts and jumpers, check what temperatures you can expect for that time of year, but I doubt it'll be bad enough to need some proper thermals.

You can't ski up the way.
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