
Sea To Summit Lightweight 20L Dry Bag - Surf the Web
Sea To Summit Lightweight 20L Dry Bag - Surf the Web: Versatile Waterproof Dry Bag for Backpacking, Cycle Touring, and Large-Volume Pack Organisation
The Sea to Summit Lightweight 20L Dry Bag in Surf the Web steps up to the large-volume format in the Lightweight range — sized to handle a complete clothing system, a sleeping bag liner, a full overnight kit of soft items, or a consolidated electronics and accessories load for a multi-day South African adventure. Built from bluesign-approved recycled 70D nylon with a C0 non-PFC DWR finish and a white polyurethane interior coating rated to 10,000mm hydrostatic head, the Lightweight 20L delivers reliable waterproof performance in a soft, pliable, and lightweight format with a hypalon non-wicking roll-top closure, D-ring attachment point, and oval base. The vivid Surf the Web colourway makes colour-coded pack organisation instant and intuitive — at 20 litres it is the largest dedicated clothing and soft-item dry bag in the Lightweight range, keeping everything dry and easy to locate through the white interior even in the deepest pack or largest kit bag.
Key Benefits:
* Bluesign-Approved Recycled 70D Nylon with 10,000mm Rating: The main body fabric is both recycled and bluesign-approved — meeting independent ethical sourcing and production certification standards — with a C0 non-PFC DWR finish on the exterior and a white polyurethane interior coating rated to 10,000mm hydrostatic head, delivering strong waterproof performance in a bag that remains soft, pliable, and lightweight enough for internal pack use across backpacking, cycle touring, and ski touring applications
* White Interior Coating for Gear Visibility: The bright white polyurethane interior coating creates maximum contrast against dark or coloured clothing and gear inside the bag — dramatically improving visibility when locating specific items in low-light conditions at dawn starts, evening camp setups in poor weather, and night packing after a long day on South African trails where a head torch is the only available light
* Hypalon Non-Wicking Roll-Top Closure: The hypalon roll-top seals out water without wicking moisture into the closure material itself — a meaningful advantage over webbing-closure alternatives that absorb and retain water — maintaining a reliable waterproof seal across repeated use in sustained rain, river crossings, condensation-heavy mountain conditions, and wet coastal environments along the Cape, Garden Route, and KwaZulu-Natal coast
* D-Ring Attachment Point at Buckle: A built-in D-ring at the roll-top buckle provides a direct attachment point for a carry strap, karabiner, or lanyard — allowing the 20L Lightweight to be clipped to pack exterior loops, bicycle rack systems, kayak deck lines, or vehicle attachment points, adding versatile mounting options beyond simple internal pack storage for a range of South African adventure formats
* Oval Base for Pack-Contour Integration: The oval base profile fits cleanly into the contoured internal spaces of modern large backpacks, expedition duffels, and travel bags without the wasted dead space created by round-base sacks — and prevents the loaded bag from rolling away on sloped surfaces at camp, on boat decks, and in vehicle storage bays during loading and unloading
* Colour-Coded Pack Organisation in Surf the Web: The vivid Surf the Web blue colourway enables an intuitive colour-coded dry bag system inside a pack — each colour assigned to a different gear category so the right sack is identified and retrieved at a glance without unpacking, a practical time-saver on multi-day backpacking, bikepacking, and kayak touring routes where fast camp transitions matter
At 20 litres the Lightweight sack handles the full clothing load for a multi-day backpacking trip — base layers, mid-layers, rain gear, and spare socks in a single waterproof package — or a synthetic sleeping bag as a primary waterproof carrier in milder conditions, a complete tent and shelter footprint kit, or a large electronics and charging system. As a recycled fabric product with non-PFC DWR chemistry throughout, it reflects Sea to Summit's commitment to responsible material sourcing across the full Lightweight dry bag range. Suitable for general paddle and coastal splash-resistant use but not recommended for full submersion or dedicated water sports — the Big River range and EVAC system cover those applications.
Technical Specifications:
* Volume: 20 litres
* Fabric: Bluesign-approved recycled 70D nylon with C0 non-PFC DWR exterior finish
* Interior Coating: White polyurethane for waterproofing and gear visibility
* Hydrostatic Head: 10,000mm
* Closure: Hypalon non-wicking roll-top with D-ring at buckle
* Seams: Tape-sealed
* Base Shape: Oval for pack-contour compatibility and stability on sloped surfaces
* Non-PFAS: C0 non-PFC DWR finish throughout
* Best Use: Backpacking, cycle touring, ski touring, travel, general adventure clothing and gear organisation; not intended for full submersion or dedicated paddle/watersports
* Colour: Surf the Web
Perfect For: Colour-coded clothing system organisation on multi-day backpacking trips in the Drakensberg, Cedarberg, and Swartberg mountain ranges, waterproofing a complete change of clothing and insulation layers inside a pack on South African trails where afternoon thunderstorms and overnight condensation are reliable, cycle touring and bikepacking on South Africa's gravel routes where panniers need large-volume internal waterproof organisation for a full clothing kit, ski touring and snowshoeing in the Drakensberg where wet snow demands waterproof separation of dry clothing layers inside the pack, travel packing where colour-coded dry bag organisation inside a rucksack or checked duffel keeps a full clothing kit consolidated and dry, kayak and canoe touring where the 20L fits inside a hatch as a secondary clothing dry bag alongside a dedicated sleeping bag sack, general large-volume adventure organisation where a reliable, lightweight, colourful waterproof sack makes multi-day kit management effortless
Looking for a large-volume, colour-coded waterproof sack that keeps your full clothing system dry and organised on South African adventures? The Sea to Summit Lightweight 20L Dry Bag in Surf the Web delivers recycled 70D nylon toughness, 10,000mm waterproof performance, a hypalon roll-top seal, and vivid colour identification in the most versatile large-format dry bag in the range. Free SA delivery included.
Ships within 2-6 business days.
Money back guaranteed
Free shipping site wide

Sea To Summit Lightweight 20L Dry Bag - Surf the Web
If you have any questions, you are always welcome to contact us. We'll get back to you as soon as possible, within 24 hours on weekdays.
-
Shipping Information
Use this text to answer questions in as much detail as possible for your customers.
-
Customer Support
Use this text to answer questions in as much detail as possible for your customers.
-
FAQ’s
Use this text to answer questions in as much detail as possible for your customers.
-
Contact Us
Use this text to answer questions in as much detail as possible for your customers.

