Camelbak's rock!! I am on my second one, the first falling victim to one of my dogs. I have the MULE (military version) and it is great. 100 oz of water, plus so much storage space I have to find things to fill it. I beat it up pretty bad and it takes it pretty well. THey are great and I constantly recommend them!!

Garrett
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On occasion of every accident that befalls you, remember to turn to yourself and inquire what power you have for turning it to use. - Epictetus