Sea to Summit Big River saco estanco 5L - Jet Black

With a 420D ripstop nylon shell laminated with TPU, the Sea to Summit Big River Dry Bag 5L shrugs off punctures and abrasion while keeping your gear bone dry. The Hypalon roll-top closure seals out water even in rough conditions, and fully taped seams ensure no leaks.

Overview

The Big River Dry Bag is built for paddlers, campers, and backpackers who demand reliable waterproof storage. Its oval base prevents rolling and fits efficiently in kayaks, canoes, or packs. The 5-liter capacity is perfect for essentials like phones, snacks, or a lightweight layer, and the bag floats if properly sealed.

What stands out

• TPU-laminated 420D ripstop nylon resists punctures and abrasion.
• Hypalon roll-top closure with field-replaceable buckles for long-term durability.
• Fully taped seams and IPX6-equivalent waterproof rating keep contents dry.
• Oval base prevents rolling and maximizes packing efficiency.
• Hypalon lash loops and D-ring allow secure attachment to boats or packs.
• Lightweight at only 100 g, so it adds minimal weight to your kit.

Technical details

• Capacity: 5 liters
• Material: 420D ripstop nylon with TPU lamination
• Closure: Hypalon roll-top with replaceable field repair buckles
• Base shape: Oval
• Water resistance: Waterproof (IPX6 equivalent)
• Seams: Fully taped
• Attachment points: Hypalon lash loops, D-ring
• Dimensions (closed): 17 cm diameter x 32 cm height
• Weight: 100 g
• Color: Jet Black
• Recommended use: Kayaking, canoeing, rafting, backpacking, camping, general outdoor

Our verdict

The Sea to Summit Big River Dry Bag 5L delivers rugged waterproof protection in a compact, lightweight package. Its durable construction and thoughtful details make it a dependable choice for any adventure where keeping gear dry is non-negotiable.