If you should be going across the Channel (if you can at the moment!!) go to the Lafuma shop at Marques Avenue at Cocquelles just west of Calais. They are very much like the McArthur Glen outlets over here and are typically about 30% off retail.
I have duckdolf, they have proved to be excelent, indeed during a move once we lived in them for a year while the sofa was in storage, as well as using in the van had them 4 years now and they are excellent