I need your help with sizing! I am about 189 cm, 92 kg and wearing a 42r sport coat. I think the fit is well overall, but I am a bit concerned about the length (it does not completely cover my rear). I measured the length, and it is about 76 cm, but according to the size chart, it should be 78 cm. So maybe it is also in the shorter end of the size tolerences, and another jacket in 42r might be slighty longer. But my question is, would a 42L be better? (which should be about 80 cm). Thanks!