In reply to John Workman:
Yes that's my other option.
My concern is that it would cancel the warranty ...?
They are brand new and I have used them for 2 weeks, and I find them fragile (the most superficial layer gets marks and spreads pieces of plastic everywhere, while I have just been using them kindly on pists...).
I need to decide if I fly back to scotland with or without them... And I heard some snow had arrived !