The 694g Octane's party peice is it's un-zippable expansion panel, taking it from 16ltrs up to 21ltrs. The Octane is a joy to run in.
CamelBak's 31ltr Antidote bladder is a market leader and should be factored in to the overall price, when considering that some packs on test don't come with one.
Tri Plus, 4/5 stars, May 2012
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