The first hydration bladder that works equally for the use of different activities: Backpacking, day trips or for use at night camp. The 3D Hydro Trek is ready for all adventures.
Features of the Gregory 3D Hydro Trek 3L hydration bladder
- 3D Quick Dry 
The soft 3D shape of the reservoir prevents contact between the layers at the top and bottom. This speeds up drying and prevents bacterial growth. 
- Multi-Position Design 
The unique round shape fits on top of a backpack as well as in a traditional hydration system compartment. The body-hugging shape distributes weight evenly across your body. It secures with a drawstring closure at the top of the pack. 
- Basecamp Spout 
Quickly and precisely dispense water via pressing the closure button for filling pots, water bottles or washing hands in camp. 
- Integrated filter for on the go 
Powerful on-the-go filtration due to very accessible location on top of backpack. Uses standardized connectors for use with all quick disconnect filter systems. 
- Quick disconnect 
Integrated 90° quick disconnect connection for flexible hose routing and quick container disconnect. 
- SpeedClip attachment system 
One-handed SpeedClip connection system for quick attachment. Compatible with any Gregory backpack that has the SpeedClip attachment for easy use on day trips. 
- Molded Spine Handle
A comfortable, pre-shaped handle makes filling easy, and the molded base plate (with integrated quick disconnect for hose) provides full-length support for insertion and removal from the pack. 
- EasyGrip fill port 
Rubberized fill port for easy opening and filling - compatible with 38 mm pump filters. 
- Filling port cover 
Molded dust cover to protect Basecamp spout from dirt and damage on the hike and for effortless storage on the go. 
- DryLock magnetic bite valve 
Bite valve with locking button allows for leak-free storage on the way there and back to the hike (magnetic accessory included) 
- Basecamp hanger 
Molded hanging loop with a reflective fabric strap for setting up a watering hole in camp and drying empty containers. 
- Durable film construction 
Increased film thickness for more durability than a traditional hydration reservoir.