If you are serious, don't buy this
Review by: seric, 2007-07-24
Reservoir started leaking through the zip after 2 days. It had not been punctured, or mistreated, and I still cannot find the problem. I will return it. Picture yourself at the second pitch belay with your backpack soaking wet and no water left. Platypus is just the cheap brand for reservoirs, go with Camelback.