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Black Diamond Quantum Backpack - 2746-3967cu in

Weight matters when you get on a massive alpine route. Thats why Black Diamond pulled out all the stops to make the Quantum Backpack ultralight and ready for the mountains. This climbing pack starts off at a low 3lb 15oz weight (55L size). Strip the removable bivy pad, V-Flex suspension, lid, and waist-belt, and the weight drops to a scant 1lb 15oz. Black Diamond used water-resistant VX21 Dimension Polyant fabric to help this pack achieve its ridiculous lightness.