- Patent-pending ergoACTIV suspension with OpenAir backpanel
- Zippered top panel access
- Breathable, soft 3D mesh on hipbelt and shoulder straps
- Hipbelt stash pocket, side stretch pockets and front compression stretch pocket
- Trekking pole/ice axe loops
- Hydration compatible
The Black Diamond Octane backpack, equipped with BD’s revolutionary ergoACTIV™ suspension, is designed for athletic movement through varied, broken terrain and has a zippered main opening to allow easy access to all of your daylong gear.
Outside Magazine China - Gear of the Year Award 2010 Winner
Materials are 210d Nylon Ripstop, 400d Nylon Twill.
Size MD: torso length 17.5 to 20.5", waist 29 to 34"
Size LG: torso length 19.5" to 23.5", waist 34 to 39"
Measure the length of your spine from C7 vertebra (the knobby bone at the base of your neck) to level with your iliac crest (the top of your hip bones).

Volume
Medium: 1700 ci / 28 L
Large: 1831 ci / 30 L
Weight
Medium: 2 lb 11 oz / 1.22 kg
Large: 2 lb 14 oz / 1.32 kg