I wore a pair of Aria 95 (very close from the fusion) for 2 years without any issue. The fusion 2.0 has a manufacturing issue : the 42 I ordered matches with a 42.5, the insole and the inside of the shoe is 272 mm instead of 268, resulting in a shoe which is way too big and uncomfortable. Ordered on the little green bag website.
Very disappointed, as the shoe is superb apart from this manufacturing default.

You reccomend to buy bigger size but in my opinion is the opposite. I have to return and take the correct one

The quality and materials of the Fusion 2.0 Cordura are outstanding. Unfortunately, the sizing guide is misleading, as it recommends ordering half a size up. I usually wear EU 45/CM 29 in Nike and EU 44 2/3/CM 28.5 in Adidas. Following the advice, I ordered EU 46 (confirmed with the seller), but the shoes turned out far too large. I have already initiated the return process, and once it is completed, I plan to reorder the shoes in EU 44, which is closer to my usual size and should be the correct fit. Overall, I give 4 stars for the excellent product quality.