Keep your water flowing freely, even in the most harsh conditions. Camelbak's Crux Thermal Control kit takes insulation to the next level so your tube and valve stay ice-free. Designed for reservoirs with the Quick Link system, this cold-weather accessory will extend the range of use your hydration pack during all outdoor adventures.Read more
Got this to carry in my backpack while skiing and solved the problem of my hose and mouthpiece freezing up. Used in single digit temps and it performed as hoped.