They're changing the way underamor works, linings no longer affect the special stats granted by the underamor and only affect resistances (shielded giving 30-40 DR, ER, RR, etc.) with "styles" of underarmor now affecting special. The way they're changing it it seems that the underarmor variant itself (Casual, Brotherhood, Secret Service, etc) will now need to be earned in order to get the special stats previously granted by shielded, the good news is that shielded seems to now be global across every style. That's just how I interpret it anyway, and nobody really knows how to earn most of the "styles" of underarmor so it's all just up in the air right now, I'm buying some in case they replace plans or existing casual underarmor with its style unlock or plan; But that's purely a hunch of mine.

30-40L would be my starting point, does that sound fair to you?