The camelbak podium big chill is the big brother of all the camelbak water bottles allowing for 750ml of fluids in the bottle this is ideal for those longer rides there is no compromise with having the bigger bottle as it still has the key features that the other chills have the double wall construction insulates your drink keeping it either warm or cold for twice as long spill proof and self sealing jet valve allows for a clean and spill free rides instead of replacing the nozzle its n