Similar discussion on winter pack size here: http://www.walkhighlands.co.uk/Forum/viewtopic.php?f=20&t=48680 I have an Osprey Talon 22 and Deuter Futura 26 - the 22 is my preferred bag because of the light weight, the Deuter is very heavy (> twice) but built like the proverbial. In the the 26 I ...