CamelBak Ambush Mil Spec Crux Hydration Pack 100oz Multicam. With external access to the 3L 100oz Mil Spec Crux Reservoir that provides 25percent more water per sip the Ambush is our largest hydration pack that includes external fill. Specifications for CamelBak Ambush Mil Spec Crux Hydration Pack: Manufacturer: CamelBak Pack Application: Outdoor Size: 6.2 lb Pack Type: Day Pack Features of CamelBak Ambush Mil Spec Crux Hydration Pack Perfect for shorter missions the Ambush has a shorter torso length a reduced stack height and external fill. External fill for rapid refill without having to remove reservoir from pack Low-profile Mountain MOLLE on bottom pocket Side-release shoulder straps for rapid removal Side zippers allows easy access to the reservoir fill port D-Rings for tube management Lightweight webbing harness Adjustable sternum strap Hook-and-loop strap management Add or remove name tags and unit badges quickly with integrated hook-and-loop panel Ergonomic webbing grab handle Drain hole on hydration compartment Uses 500D Double-rip Cordura Fabric for the ultimate combination of strength and durability Package Contents: CamelBak Ambush Mil Spec Crux Hydration Pack CamelBak 1724901000P: Ambush Mil Spec Crux Hydration Pack 100oz Multicam