Scanning through the other armor, the exact difference between the improvement provided by the pocketed mods and the improvement provided by the lighter build mods varies, but in all cases it appears that the pocketed mods are significantly better for carry weight. So, clearly, pocketed is much better for carry capacity in this case. Ultra-Light Build reduces the weight by 6.4 pounds.ĭeep Pocketed increases the weight by 0.8 pounds, but adds 20 carry capacity, for a net gain of 19.2 pounds. Pocketed increases the weight by 0.8 pounds, but adds 10 carry capacity, for a net gain of 9.2 pounds. Lighter Build reduces the weight by 3.2 pounds. Polished Metal Chest Armor weighs 13 lbs. Information for metal chest armor, so let's look at that as an example. As of writing this, it was not completely filled out for all items. The Nukapedia page Fallout 4 Armor Mods has weights and effects listed for various pieces of armor.
Lighter Build helps with stealth and AP, but not nearly as much with carrying capacity.
Pocketed is better for carrying capacity.