Keep your valuables secure and dry on outdoor adventures with this Sea to Summit Big River 50L Dry Backpack. It is made with 420D nylon waterproof fabric for abrasion and puncture resistance, and the bag features a triple-coated oval base for increased water-shedding and durability.
Made with 420D nylon waterproof fabric for abrasion and puncture resistance
Triple-coated oval base for increased water-shedding and durability
50-liter capacity
White interior TPU laminate reflects light to provide greater visibility of gear
Streamlined and adjustable EVA foam pack harness with a supportive sternum strap and a removable 1.5-inch webbing hip belt
Strong and versatile grab-handle and daisy-chain for confident handling and lashing to other equipment
Waterproof, roll-top closure secured with patented Field Repair Buckles for a reliable seal and a double-stitched, fully taped waterproof seam
PFC-free
Replace your 0.75-inch repair buckle with only a Phillips screwdriver
Activity: Boating
Sea to Summit Big River 50L Dry Backpack
Style Variants
Available Colors: Red, Black
Size Reference for Sea to Summit River 50L Dry Backpack
Available Sizes:





























