CamelBak Podium Big Chill 25 oz is a high performance insulated sport bottle that keeps your water cooler longer. A double-walled bottle construction uses closed cell foam technology to keep your water cold twice as long as a standard bottle. The patented spill-proof Jet Valve allows the user to hydrate immediately without having to open or close a drinking interface and the bottls streamlined ergonomic design offers excellent squeezability without compromising bottle grip. The large aperture of the drinking nozzle generates an exceptional water flow rate and is easy to remove for thorough cleaning. The Podium Chill also has a lockout dial with easy to read graphics for leak-proof transport.