Hydration Pack CamelBak Mil Spec Crux Reservoir, NSN 8465 01 685 5559, 50oz / 1.5L Hydration Backpack High-Flow Mil Spec Crux Reservoir: Delivers 25% more water per sip with an ergonomic handle for easy refilling and an on/off lever to prevent leaks CamelBak Military Spec Crux Reservoir 1.5 Litre – Travel Universe Streamlined & Lightweight Design: Perfect for fast-paced missions, trail runs, or cycling—minimal bulk with maximum hydration The CamelBak HydroBak 50oz Mil Spec Crux Black is a sleek hydration backpack featuring a military-grade reservoir that delivers 25% more water per sip, with ergonomic design and secure pockets for on-the-go adventures The HydroBak™ is all you need for the rigors of daily use. CamelBak 8LCargo M.U.L.E. 100oz Mil Spec Crux Hydration Pack Built to Last: Constructed with rugged, military-grade materials for long-term durability in harsh environments