REI offers Black Diamond Octane Pack in Gecko (pictured) or Blue Steel for $69.93 with free shipping. That's the lowest total price we could find by $28. It features an ergoACTIV suspension, mesh-lined shoulder straps, zippered panel opening, internal hydration sleeve, hipbelt stash pocket, front compression stretch pocket, side stretch pockets, and more. It's available in sizes M and L.