From the Manufacturer:
The perfect Bodypack for those embracing the light = fast philosophy, with enough volume to carry a week's ultralight gear.
Tough and light materials and an internal divider decrease weight without compromising our precision back shaping or load support structure. Bulky sleeping bags pack loose in the bottom of the pack, saving stuff-sack weight. The main pack includes a waterproof dri-liner. The Balance Pockets are now sized to your torso length.Key Features:
Approx Volume: S: 50 + 12 L (3051 + 732 cu in)
Approx Weight (Bodypack): S: 1.75 kg (3.86 lbs)
Minimum Weight (Bodypack): (without dri-liners) S: 1.6 kg (3.53 lbs)
Minimum Weight (Backpack): (without Balance Pockets or liners) S: 1.2 kg (2.65 lbs)