HydraPak Seeker Water Reservoir
Best collapsible storage for weight conscious backpackers and long distance hikers.
This is the ultimate space-saver for backcountry trips where every ounce counts. Its collapsible design makes packing effortless, though you trade the rigid structure of a traditional bottle for a soft-sided build that requires a bit more care when filling and handling.
$33.00
More Seeker options
Who it's for
- Backpackers and travelers prioritizing space efficiency and minimal weight
- Outdoor enthusiasts needing flexible mounting options for various gear setups
- Rugged adventurers requiring gear that survives harsh environmental conditions
Who should skip it
- Sensitive palates who prefer the neutral taste of glass or stainless
- Occasional users who want quick and effortless post-trip maintenance
- Campers who prioritize stable handling and easy one-handed pouring
Performance breakdown
Packability
Collapses down to almost nothing when empty, saving precious pack space.
Filtration Integration
Seamlessly pairs with 42mm filters for rapid backcountry water purification.
Durability
Rugged TPU construction handles rough handling and abrasive trail conditions easily.
Weight Efficiency
Featherlight design keeps your base weight low without sacrificing capacity.
Ease of Filling
Wide mouth opening makes scooping water from shallow sources a breeze.
Handling Comfort
Integrated handle provides a secure, ergonomic grip for pouring and carrying.
Key Specs
Capacity
4L, 6L
Dimensions
4L: 16.5 inches x 5.9 inches, 6L: 17.3 inches x 7.3 inches
Weight
3.7 oz (4L) / 6.8 oz (6L)
Material
TPU, PP, TPU coated Nylon
BPA/PVC Free
Yes
Compatibility
HydraPak 42mm Filter Cap
Mouth Opening Diameter
1.65 inches
Leak Proof
Yes
Collapsible
Yes
Reservoir Included
Yes
Know before you buy
Still have a question?
Ask Metto anything about the HydraPak Seeker Water Reservoir before you decide.