Sea to Summit Big River Dry Bag
Best rugged storage for serious water sports enthusiasts.
This is the heavy-duty workhorse for anyone who treats their gear roughly. While it sacrifices the lightweight, packable nature of thinner dry bags, you gain an oval base that stays put on uneven ground and a rugged, abrasion-resistant construction that survives the most demanding expeditions.
$39.95
at
Sea to Summit
More Big River options
Who it's for
- River rafters and paddlers navigating rocky or abrasive environments
- Adventure travelers needing to lash gear securely to external frames
- Bikepackers and kayakers looking to optimize limited storage space
Who should skip it
- Ultralight backpackers prioritizing minimum pack weight over maximum durability
- Winter explorers who require easy gear access in freezing conditions
- Paddlers and divers requiring gear that survives deep, prolonged submersion
Performance breakdown
Durability
Rugged 420D nylon construction handles abrasive environments and heavy-duty expedition use.
Waterproofing
Reliable roll-top closure keeps gear dry in wet, demanding outdoor conditions.
Mounting Versatility
Multiple lash points allow for secure attachment to bikes and kayaks.
Stability
Unique oval base design prevents the bag from rolling on inclines.
Gear Accessibility
White interior laminate makes locating small items inside significantly easier.
Repairability
Field-replaceable buckle system ensures the bag remains functional for years.
Key Specs
Capacity
5 Liters
Weight
135 grams
Material
420D Nylon with TPU film
Waterproof
Yes (not for submersion)
Closure Type
Roll-top and Buckle
Dimensions
16.8 x 14.3 x 32.3 cm
Bag Type
Dry Bag
Reflective Elements
No
Attachment System
Lash loops
Number of Compartments
1
Know before you buy
Still have a question?
Ask Metto anything about the Sea to Summit Big River Dry Bag before you decide.