CamelBak:

Give your pack a lower center of gravity with the brand new Crux LR reservoir. It delivers 20% more water per sip while keeping weight positioned low on your back, which translates to better stability in the saddle and on the trail. The Crux delivers 20% more water with every sip, plus an on/off lever that seals your tube shut when youre not drinking. We also upgraded the fill-port design to include an ergonomic handle and a redesigned cap thatsmore intuitive and easier to fillsmall changes that make it that much easier to fill up and hit the road.