At means something like All Terrain, in good German it means that you can drive off-road as well as on asphalt. Then there's the 
Mud terrain tires are usually very rough. They are actually perfect for off-road use, but there is one small disadvantage: they are unreliable when it comes to paved roads. Because when it's raining and the roads are wet, it's difficult to keep going on tight corners.

The most popular AT tires on the market so far are  BF Goodrich All Terrain or Discovery Cooper / General Grabber because it is still possible to drive on wet roads with them, but there are also limits here.

Everyone sees differently which tires are the best, so it is difficult to determine. 

The fact is, and that applies to all off-road vehicles.... if the tires are completely closed, you can't go any further because as soon as the studs are full of mud/dirt you have the soapy effect.















The normal tire size on the Duster (Phase1)
is: 215/65 R16 98H thus also compatible with the
BF Goodrich All Terrain.
AT tires with deep tread for the winter are also conceivable, the alpine symbol on the flank must be observed. So also possible as all-season tires, but the long braking distance should not be ignored, as well as aquaplaning in contrast to street-terrain tires that have more grip on the ice surface.