Camelbak Hi-Viz 2.5L Crux Lime Hydration Backpack When safety and visibility come first, the Hi-Viz is your answer. The Hi-Viz includes all the trusted features you've come to expect from CamelBak in two high visibility colours to keep you safe on the job. The externally accessed 2.5L Mil Spec Crux Reservoir delivers 25% more water per sip and the tear-away harness keeps you safe even in the most critical situations. Composition: 500D Poly Cordura > 10mm closed cell foam > 135D Poly lining > Air mesh back panel and harness > Reflective tape High visibility orange or lime-green for worker safety Integrated cover keeps Crux Fill Port clean and protected Tear-away harness minimizes snagging concerns Reflective strips on pack and harness for low light visibility 2x insulated pack keeps water cool Stash pocket on fill flap for small essentials Mesh back panel for breathability and comfort