Versatile skirts are the best, aren't they? Wear them plain with a t-shirt in summer and with layers in winter and you're good to go.
Packing your bag for a winter destination can be quite of a hassle. First, you pack way too much, then you can't decide which sweaters to bring as you, off course, need them all and finally your bag is way to heavy to carry. Here is a helpful guide on how to pack easy and light for up to 14 days.