Camelbak Crux Lumbar 1. 5L Reservoir Stay Low And Out Of The Way The Camelbak Crux Lumbar 1. 5L Reservoir carries plenty of water but won't slow you down. Its streamlined design sits snugly and securely while staying out of the way, so you can stay focused on the road ahead. By keeping the load off your back, you'll be able to breathe easier and ride longer. Features Ergonomic handle for easier refilling and an on/off lever to prevent leaks Leak-proof cap is easier to open and close Big Bite Valve self-seals after each drink, eliminating leaks and drips | Camelbak | Crux Lumbar 1. 5L Reservoir 1. 5L, Lumbar