Crux provides 20% more water per does, and is easily filled using the ergonomic handle.

It is easy to clean as it has a large opening where it is easy to get to.

Classic also has Crux on / off valve with Big Bite drinking valve.

Crux on / off is ergonomically shaped, so it is easy to use on the trip.

It allows you to close and open the water as needed.

Crux on / off and Big Bite ensure that no water is spilled.

Fluid system and hose have Hydroguard technology. This technology inhibits the growth of bacteria.