Jetflow and the Outdoor Blogger Network. I often find myself on a secluded back-country stretch of river far from any source of water. Usually I bring a bulky backpack with nothing but an extra fly box or two and a water bottle to fill it.
This small pack with its patented Jetflow technology not only gives you a place to hold a few extra pieces of emergency and fishing equipment (boxes and tippet material, ec.) in the small pouch in the back but also gives you immediate access to clean water through a supply tube.
But this isn't your average hydration pack with a bladder system that needs to be washed out and cleaned after every use. Those systems have a tendency to 'sour' with age - grow mold or bacteria in the bladder with disuse - but this Jetflow system brings the ease of hydration with an easily replaceable and washable bottle that can be bought at any gas station or convenience store.
(I did not receive any compensation for this review other than the equipment itself. I only recommend products on this site that I find useful and live up to the quality and effectiveness they advertise.)