Those that meet all these criteria are the best bladders for your drinking pleasure.
Its BPA free and has an antimicrobial treatment that prevents any scum from surviving long in the bag.
Where Osprey really seems to hit the mark is with their astounding customer service and All Mighty Guarantee.
via walmart.com
They dont go gently into that good night, nor does the Helix Valve.
The pump itself adds a little extra weight, but is removable should you decide you dont need it.
