Camelbak! That's the correct answer. Well, it's the brand I was seeking, and at first I didn't know the proper name. I knew there was a “camel” in it, so I tried “camel pack.” Here's what came back:
This was a first search, and you can guess a user may then recognize “Camelbak” as a brand based on these results. But where is Camelbak.com?! If they're not on page one, the user has already been educated and they have the opportunity to click any of these paid links to purchase.