It’s soft molded 3D design, the 3d Hydro reservoir works like a reservoir and dries like a bottle. Add in the SpeedClip attachment system, integrated hanger and drylock magnetic bite valve and you have a one-of-kind solution.
Gregory 3D Hydro Reservoir 3L
3D Soft-Molded Reservoir
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Unique 3D design means the bladder holds its shape like a traditional water bottle, yet functions like a flexible reservoir.
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This shape allows the reservoir to dry faster when open, reducing bacteria and mold growth.
QuickDry Hanger
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Built-in hanger makes drying and storage easy both on and off the trail.
⚙️ Attachment & Compatibility
Speed Clip Mounting System
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Designed to integrate with Gregory packs featuring a Speed Clip system, enabling a quick one-handed lock-and-go attachment inside your pack’s hydration sleeve.
Inline Quick Disconnect
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Lets you detach the hydration hose from the reservoir without removing the whole bladder or unkinking the tube—great for refilling on the trail.
🚰 Drinking & Filling Features
Dry Lock Magnetic Bite Valve
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Push-button, on/off bite valve with a magnetic clip keeps the tube secured and reduces leaks during transport.
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The magnet can attach to the sternum strap or pack for easy reach.
Easy Grip Fill Port
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Rubberized opening with a hose locator and screw-cap tether makes filling simple and secure.
Spine Co-Molded Handle
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Comfortable, integrated handle and supportive baseplate make filling and inserting/removing the reservoir easier.
🧠 Comfort & Performance
Anatomical Fit
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The 3D form and full-length baffle help position the water flat against your back, improving pack stability and comfort without extra bulk
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Capacity: 3 litres (≈ 0.79 gal)
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Weight: ~200 g (~7 oz)
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Dimensions: ~44 × 18 × 8 cm
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Material: BPA & PVC-free metallocene PE film, TPU lining, LDPE/PP/Silicone base materials
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