It could also be heavy bones. Although I guess that wouldn’t get you to a 90.
Also, I think white muscles (fast-twitch fibres) would be have a higher specific weight (due to lesser capillaries), which could also make someone heavier without looking fat.
90kg is about the average weight of a European man.
I’m not sure. Unless you are 1.90m tall or very buff, 90kg puts you in the overweight category.
It could also be heavy bones. Although I guess that wouldn’t get you to a 90.
Also, I think white muscles (fast-twitch fibres) would be have a higher specific weight (due to lesser capillaries), which could also make someone heavier without looking fat.