Back to your scientific arguments with numbers:

Quote:

As for this ultralight stuff - now you've done it, I had to go through my gear and do a quick comparison on my kitchen scale. Metric, just to be a little more "scientific" in our approach.
Swiss army wool blanket (200x140 cm) - 2.2 kg
Ferrino 3-season sleeping bag w/ waterproof carrying bag - 0.6 kg
Sleeping bag liner - 0.1 kg
Yugoslav army canvas backpack - 0.35 kg (very compact and lightweight)
British issue gas mask bag - 0.2 kg
Austrian army 25L assault backpack - 1.3 kg (much sturdier than the Yugo assault pack)

So, what you are trying to convey here mathematically? To me it looks like you are arguing that 0.6+0.1+0.35 < or = 0.6+0.1