Here is an older saved game screen shot.
At this time in the game, I do not have the tech needed to build a Cruiser in my shipyard, but I can get this ship by dropping a Leader on the ship card.
I note that, like all Commander ships, the mass is shown in red, as it is over-built.
Despite the over-mass, it does not seem to make a difference to either getting this Commander ship, or how it functions, when on the map.
