The CamelBak Crux reservoir on/off valve pairs with the Big Bite valve. shutting off the water flow for added security during transport.

• Ergonomic on/off valve make it easy to grip tube and toggle while you're on the move
• Turn off water flow from CamelBak Crux Reservoir during transport
• 45-degree bend perfectly positions the Big Bite Valve for easy drinking
• The patented Big Bite Valve mouthpiece offers Hands-Free Hydration and is ideal for any high-performance situations.
• Self-seals after each drink to eliminate annoying drips.