The puncher resistant belt in blue in the picture which adds weight. ~330g vs 225g. If you are a weight conscious, you could ride a Durano in the front and a Durano Plus in the rear. Or switch to Durano's early spring. Durano's are pretty tough. You will get glass in them and it might eventually wear through. With the plus it will probably not make it through. I think the rubber compound is about the same. So good handling winter tires.