First times a charm
This was my first BA bag and I was just jumping in feet first into the no insulation on the bottom/ pad is the bottom system. After using it a couple of nights I see the merits of the system. It is warm, it is light and packable, and I am always on my pad. I tend to toss and turn a fair amount while sleeping and occasionally would end up cold since I was sleeping next to my pad, this is no longer the case and I am sold on the system. There are times I am not bringing a pad so I tend to stick with some of my traditional pads for those situations (where I will be sleeping on my rope or whatever else is around).