Hey, this is dangerous I need thin, soft down jacket.
Sorry to hear about your bad experience with sOliver staff and stuff. I am in general very happy with their goods, although the sizing of the jeans is quite erratic and depends a lot on the style. But I too have noticed very disproportional change in two sizes (in my case 42/36 and 44/36).
As for jacket, this sort packs to very little space. Which is why I want it - I need it for that extreme cold weather to layer under my regular jackets.