Maybe because the pants look a little baggy it makes the jacket look like it doesn't cover your arse. With this size 46 there looks to be a lot of excess fabric movement all over. You may want to try the same size in a Lazio.
There is a massive Meermin thread that has a ton of good and bad experiences, and frequent viewership by a lot of people who look like they have used Meerimin frequently. You should move your post there.