Shirts A and B are tucked ones, it's very unlikely they will look like something natural without a matching bottom mod.Even if some A Tops would fit with Skirt B because they would overlap, it doesn't work for Tops B with Skirt A since you would get an empty gap between the top and the bottom. So Vest or Shirt A should go with Skirt A, and Vest or shirt B go with Skirt B. Basicaly, you have outfit A, and outfit B. You got 2 major outfits, and here are the compatibilities. Some of them are explicit, some are not.What do you need to know in order to avoid issues or unwanted behavior Breast Firmness (included in sby's loaderpack).Template Extension v6 by sby (included in the archive).
Loader mods, you shouldn't have any issue if you're using sby's loaderpack.