CamelBak Octane 18X Hydration Backpack - 671-915cu in

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Item # CAM000T

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Item # CAM000T

Expanding your limits.

Don't let anyone tell you how to get hydrated; CamelBak's genius Octane 18X Hydration Backpack lets you customize the shape and capacity of your pack to suit your own demands, whatever they be. From 671 to 915 cubic inches of storage, you can determine what's essential and what's unnecessary. From an ultra-sleek trail water pack to a small backpack, the Octane isn't quite sure about commitment, and that's probably fine with you. You'll find yourself able to go about three hours with this three-liter Antidote reservoir before having to refuel. Either way you wear it, the weight of this pack alone won't add more than a pound to your activity because of its ultra-light construction. An extra coating of DWR and PU ensure that rain and wind won't have anything to do with your gear. A small assortment of cargo, harness, front, and stash pockets won't short you of any storage options you can imagine for your phone, wallet, music, and snacks. Reflective on both front and back, the Octane 18X also features a safety whistle for added security during evening and night treks.

Season after season, CamelBak's super scientists have been hard at work refining and perfecting the Antidote reservoir, the industry's most popular solution to hydration. At the turn of a cap (a quarter turn to be exact), you can open or close the reservoir, refilling and securing it again in seconds. Center baffling and a sleek design prevent your water from jostling about inside your pack while running, hiking, or hitting the park. When not off exploring the world, simply disconnect the tube using the Quick Link System and hang up the Antidote for proper drying or storage. Since last year, CamelBak's go-to reservoir system has actually lost some weight, reducing bulk in the fill port and offering you that much more convenience.

  • Diamond box rip, taffeta, and nylon fabric
  • DWR an PU-coated
  • Opens to 915 cubic inches
  • Closed to 671 cubic inches
  • Three-liter Antidote reservoir
  • Harness, cargo, stash, and front pockets
  • Front and back reflective panels
  • Safety whistle

Tech Specs

70D diamond-box ripstop, 230D taffeta, 420D nylon, DWR coating, PU coating (1000mm)
[open] 910 cu in, [closed] 671 cu in
Reservoir Volume:
3 L
Locking Bite Valve:
1 essentials, 2 cargo, 1 stash
[open] 18.5 x 24 x 8.5 in
Claimed Weight:
15.5 oz
Recommended Use:
hiking, backpacking, biking
Manufacturer Warranty:

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Awesome hydration pack!

  • Familiarity: I gave it as a gift but have feedback to share

I absolutely love the features of this pack. I bought it as a gift for my girlfriend (and a little for myself) for christmas and from first impressions, this pack is going to rock! I love how it gives you the option of the size of the pack. From a nice compressed hydration pack to bigger hydration pack that provides room to store other items. Perfect for mountain biking and hiking. I cant wait for me and my girlfriend to use it!

great biking pack!

  • Familiarity: I've used it several times

I have an older version of this pack, and I'm pretty sure the biggest difference is the colorway. I bought this with mountain biking in mind and the only thing it seems to lack when compared to MTB-specific packs is maybe a helmet lock and sleeves for bike tools/pumps. But this fits my needs perfectly! The material is super lightweight - I can barely tell I'm wearing it most of the time. The cargo space is big enough for bike-related things (tools, pump, etc.) and random things like a wallet, food, and an extra layer, without being too cavernous inside. With my old pack, I had issues with things rolling around at the bottom and all of the weight shifting to one side even with the hip straps tightened up, but this one keeps everything super secure. Overall prettyyy great!