Sea to Summit Dry Bags


Tried, true, and simple dry bags are an essential piece of bikepacking kit. We’ve tested a bunch and these Sea to Summit Big River dry bags strike the perfect balance of lightweight and durable. The 5 Liter are perfect for cargo cages and the 8 Liter bags match our racks decks perfectly.

Big River Dry Bags use a durable and abrasion resistant 420D nylon fabric. The white interior grants greater visibility, and lash loops provide plenty of confidence. The hypalon non-wicking roll-top closure keeps water out, and the Field Repair Buckles can be replaced in seconds with just a Philips screwdriver. It also was designed with an oval base to save space when packing and prevent it from rolling away.


  • Triple-coated base increases abrasion resistance
  • Abrasion-resistant 420D nylon laminated with a TPU film for strength and waterproofness
  • Multiple lash points provide mounting to decks or cargo cages
  • Waterproof, double stitched, reinforced, tape sealed seams
  • Waterproof non-wicking roll top closure does not wick moisture
  • White interior for greater interior visibility
  • Oval base prevents rolling away and packs better
  • PFC-free
  • 8L is best as a deck bag on the top of your rack and the 5L is perfect for cargo cages.
  • The 5L bags weigh 4.8 oz | 135 g and are 6.6 x 5.6 x 12.7 in | 16.8 x 14.3 x 32.3 cm
  • The 8L bags weigh 5.6 oz | 160 g and are 7.6 x 6.5 x 14.7 in | 19.3 x 16.5 x 37.4 cm 

Additional information

Weight N/A

8 Liter, 5 Liter


Jet Black, Gold Brown


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