Camelbak Unisex Antidote Thermal Control Kit;

Converts any CamelBak system for extreme winter and summer conditions. Includes Big Bite Valve mouthpiece, mouthpiece cover, insulated tube cover and 42" delivery tube. Enhances freeze resistance in cold weather. Also helps water stay cooler longer in the summer. CamelBak Thermal Control Kit includes insulated tube, CamelBak Big Bite Valve and Bit Valve Cover. Includes insulated tube, CamelBak Big Bite Valve and Bite Valve Cover.