Camelbak Crux Reservoir Better hydration for better rides The Camelbak Crux(R) Reservoir is the gold standard for hydration bladders, from a company that knows a thing or two about hydration. This updated Crux(R) delivers 20% more water per sip, making it easier than ever to get the hydration you need without disrupting your ride, hike, or other sport. The Crux(R) features a leak-proof cap that's now even easier to open and close, and was designed using extensive leak-resistance testing. The big bite self-sealing valve reduces drips, with an easy one-handed on/off lever to seal off the valve when it's not needed. With its BPA, BPS, and BPF-free construction, updated design, and several different available capacities, the Camelbak Crux(R) is the ideal hydration bladder for nearly any adventure. Features20% more water in every sip Easier open/close cap makes it a breeze to fill, with a rugged leak-proof design Big bite self-sealing valve for fewer drips Easy on/off switch can be operated one-handed, and seals off the valve when it's not needed100% BPA, BPS, and BPF-free for worry-free hydration Specifications Hydration Bladder Sizes1. 5, 2, or 3-liter | Camelbak | Crux Reservoir 3 Liter