The CRUX® insulated tube offers 20% more water per sip than previous tubes.
The insulated thermal sleeve helps prevent freezing in cold weather and helps keep your water cool in warm weather.

Features
• For reservoirs featuring the Quick Link™ system for easy click on and off (sold separately)
• Hydroguard™ technology inhibits the growth of bacteria in the tube
• The patented Big Bite™ Valve mouthpiece offers hands-free hydration and is ideal for any high-performance situations.
• Includes CRUX™ reservoir delivery tube, insulated cover, Big Bite™ valve, CRUX™on/off valve and Quick Link™ connector