Group shot of Sea to Summit Big River Dry Bags in multiple sizes
Vertical standing view of 5L dry bag variant
Close-up of roll-top closure and side buckle
Embossed Sea to Summit branding on yellow nylon fabric
Dry bag being rolled and closed during packing
Side profile showing height of mid-size bag
Bag held at side for size reference against leg
Sea to Summit Big River Dry Bag
Sea to Summit Big River Dry Bag
Sea to Summit Big River Dry Bag

Sea to Summit Big River Dry Bag


Regular price$59.95
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Tax included.
Accessory size
  • Low stock - 1 item left
  • Backordered, shipping soon

The Sea to Summit Big River Dry Bag is built for rugged adventures on water and land. Constructed from abrasion-resistant 420D nylon with a TPU laminate, it’s designed to keep your gear dry in challenging conditions. Whether you’re kayaking, bikepacking, 4WD touring, or motorcycling, these bags offer secure waterproof protection with lash loops for easy attachment to your gear. The oval base prevents rolling, and the hypalon roll-top closure ensures moisture stays out. Available in 6 sizes with replaceable Field Repair Buckles, the Big River Dry Bag is your reliable companion for serious outdoor exploration.

  • Waterproof 420D nylon with abrasion-resistant TPU laminate
  • Triple-coated base for added durability in rough environments
  • Waterproof roll-top closure with non-wicking hypalon strip
  • Tape-sealed seams and double-stitched construction
  • Multiple lash loops for attaching to kayaks, bikes, or vehicles
  • Oval base prevents rolling and improves packing efficiency
  • White interior for better visibility of contents
  • PFC-free construction
  • Field Repair Buckles – replaceable with a Phillips head screwdriver
  • Optional Dry Bag Sling (available for 5L–35L sizes)
  • 5 Litre – 135 g | 16.8 x 14.3 x 32.3 cm
  • 8 Litre – 160 g | 19.3 x 16.5 x 37.4 cm
  • 13 Litre – 192 g | 22 x 20 x 44 cm
  • 20 Litre – 250 g | 26.4 x 24.4 x 48.1 cm
  • 35 Litre – 308 g | 31.7 x 28.1 x 58.6 cm

Is the Sea to Summit Big River Dry Bag fully waterproof?

Yes, it features waterproof seams, a non-wicking roll-top closure, and TPU-laminated fabric to protect against water ingress.

Can I attach this bag to a kayak or bike?

Absolutely. Multiple lash loops make it easy to secure the bag to kayaks, bikes, 4WDs, and more.

Does the dry bag come with a shoulder strap?

A Dry Bag Sling is available separately for sizes 5L to 35L for hands-free carrying.

What makes the Big River Dry Bag different from other dry bags?

It’s built from heavy-duty TPU-laminated 420D nylon with an oval base to prevent rolling and includes replaceable Field Repair Buckles for long-term use.

📦 Shipping Overview

  • Flat rate: $12.95 Australia-wide
  • Free shipping: Orders over $250
  • Dispatch time: 1–2 business days (Mon–Fri)

🚚 Delivery Estimates

  • Metro areas: 3–7 business days
  • WA & NT: Up to 10 business days
  • During peak or promo periods: Please allow additional time

📍 Delivery Instructions

Please provide a delivery address where someone is available during business hours. PO Boxes are accepted. If unattended, your order may be left in a secure location or taken to the nearest post office or depot.

Mission

Zero Preventable Deaths

We aim to provide the highest standard of emergency medical training and emergency equipment to first responders who work in high threat and complex environments.

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