CamelBak Crux Thermal Control Kit

CamelBak Crux Thermal Control Kit.

Conversion kit that converts all CamelBak systems with Quick link system and adapts them for extreme winter and summer.
Includes Big Bite mouth valve, mouth valve cover, insulating hose cover.

Kit improves freeze resistance in cold weather and helps water stay cooler longer in summer. Crux is an update of the previous model called Antidote.