Converts any CamelBak gadget for excessive wintry weather and summer season stipulations. Contains Massive Chew Valve mouthpiece, mouthpiece Duvet, insulated tube Duvet and forty two” supply tube. Complements freeze resistance in chilly climate. Additionally is helping water keep cooler longer in the summertime. CamelBak Thermal Regulate Equipment Contains insulated tube, CamelBak Massive Chew Valve and Bit Valve Duvet. Contains insulated tube, CamelBak Massive Chew Valve and Chew Valve Duvet.