Whenever I take the Jimny off-road I have to have the internal fans on to stop the car steaming up which it does at every opportunity! The trouble is this means you get a face full of dried leaves, twigs and dust from the face vents.
If you are in the South east UK you can always visit to pickup your purchases (and save on delivery). Make sure you phone ahead to check I am in and that I have what you want in stock.