The quality of the rain cover is good. But unfortunately holds the shell not particularly backpack. The Jack Wolfskin rucksacks (as with my "Invader 26") often have sewn at the top at the edge of the carrier. Thus, the rain cover slips easily back down. I had therefore also the original Jack Wolf Chin ordered me raincover, because I thought that it would fit. I now riveted me three eyelets in the protection and secure it additionally with string. I would have to make with the noname parts that you get for some half here. However, as the price is below 40 and therefore yet sent to come in return, the would not have been worthwhile ...