Gregory Hydro 3L Reservoir Backpack | Travel Backpack from Gregory | Easy-Fill Handle - Directly connected to the reservoir cap, the handle provides the leverage needed to easily hold the spout in place when filling the reservoirBottle Style, Leak-Proof Cap - Just like your favorite water bottle, the wide-mouth, screw-cap closure securely closes for leak-proof useSpeedClip Backpack Connector - One-handed lock-and-ho linkage between the reservoir hanger and the SpeedClip system mounted inside the packs hydration sleeveSoft-Spout Bite Valve with Lever Closure - A soft-molded mouthpiece and leak-proof lever closure when storing your reservoirIncluded Magnetic Sternum Clip - one handed attachment system to easily dock your hydration hose at any point along the sternum strap of your packIntegrated Hose Routing - molded-in loops position the hose out of the way of the handle for uninhibited fillingSlim Profile Baffle - A center panel keeps the reservoir profile slim to easily add to a pack without adding bulk