Camelbak Octane LR pack - comes with a 2 litre horizontal bladder ( LR stands for Lumbar Region I think, ie the bladder sort of sits around your lower back and waist, see photos in link ), plus approx 5.5 litres of additional storage, loads of room for waterproofs, hat/gloves, food, etc. Two large hip pockets that are very easy to reach while you run for gels etc. Key clip in one of the pockets

Here's a review I found, in the same lime green colour that mine is http://endurancebuzz.com/2011/03/18/...g-gear-review/

Perfect condition, no rips, tears, marks. The bladder and hose have been kept in the freezer at all times when not being used, absolutely no sign of any mould or any smell.

£45 delivered to the UK. Can email photos to anyone who is interested, contact me for photos or with any questions