The new 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.

• Compatible with reservoirs with Quick Link System: keep your Crux working year-round with this easy upgrade
• Insulated tube: protects the flow of your fluids in cold conditions
• Freeze-proof valve: integrated cover keeps ice from forming in bite valve
• Includes Quick Link connector
• 100% free of BPA, BPS and BPF