Review on Stay Hydrated On-The-Go With HydraPak Seeker Collapsible Water Storage - Safe, Portable And Ideal For Camping by Floe Rankin

I used this on a few hikes and I like the carrying capacity, the durability and ability to freeze it. You can collapse it down into it's stuff sack so carrying it is pretty easy. The cons are there is a noticeable rubber after-taste to the water that I wasn't a fan of, buy when you're thirsty on a long hike water is water. And ice cold water is awesome! Drinking out of this was easier with a caribiner otherwise you're just spilling water all over the place. On these two fronts I have to say platypus or evernew have an advantage. I've yet to try it with a water filter attached. but on the whole I like it.