Citing the Black Diamond: "An expedition-sized gear hauler built for long approaches and multi-day snow routes like Denali's West Buttress".
With the average weight of 1760 g (size M), this is one of the lightest expedition backpacks, yet capable of handling heavy loads.
The backpack comes in 3 sizes: S (volume 73 L, weight 1740 g), M (volume 75 L, weight 1760 g) and L (volume 77 L, weight 1780 g).
reACTIV XP™ suspension with fixed shoulder straps
Thermoformed, vented backpanel
IceLink™ axe attachment
Welded crampon pouch
Tuck-away rope strap
3-point haul system
Removable framesheet, top lid and hipbelt
LinksBackpacker Magazine – Gear Guide 2011