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The versatile CamelBak Octane 18X 2012 carries 100 oz of hands-free hydration for 3+ hour adventures via the slim and lightweight Antidote™ Reservoir. Boasting the largest carrying capacity in the CamelBak running line, the Octane 18X can also get compact thanks to an adjustable cord, snap and zipper that allow you to customize volume.


  • Black/Lemon Chrome (61898) *Discontinued Color*


  • 100 oz (3 liters) Antidote™ Reservoir included: slim and lightweight reservoir fills easy with quarter-turn of Quick-snap cap
  • Provides liquid for about 3+ hours of exercise, depending upon individual hydration needs
  • PureFlow™ delivery tube with Big Bite™ valve, just bite and sip
  • Expandable: center expansion zip allows you to adjust volume
  • Large zip pocket holds extra clothes, nutrition, or any essentials you may need
  • Front and back reflectivity for visibility in low-light conditions
  • Waist belt with 2 open mesh zip pockets
  • Torso Length: 16 inches (41 cm)
  • Cargo Capacity: Open- 1281 cubic inches (27L)
  •                        Closed- 976 cubic inches (16L)
  • Weight: 16 oz (no reservoir) and 7.94 lbs (full reservoir)


  • 70D Mini Ripstop
  • 230D Taffetta
  • 420D Nylon with DWR and 1000mm PU Coating

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Customer Reviews

Comments: I was looking for a pack that I can use when running to and from work. In the weekends, I either run on trails or go on hiking with my family for 3-6 hours at a time. I needed something with more capacity to carry office clothes or more water and other stuff.

This pack fits my needs. I can even put in a bulky jacket for winter. I ran several times in the pouring rain and it kept all things inside dry.

I love the side pockets where you can put it gels and easily grab it on a race.

I'll be running a race with aid stations 10 - 25 kms apart. I think the bladder of 3 liters will be okay for that distance. 
From: Maky, Australia