Quick Summary
The Sea to Summit Ultra-Sil is a 13-liter roll-top dry bag for dry storage and organization during backpacking, bike touring, and travel. It has a translucent body, a 2,000mm waterhead fabric rating, and a reinforced roll-top construction.
Check the stated capacity and closed dimensions against the items and space you plan to pack.
Key Details
| Detail | Product information and buyer relevance |
|---|---|
| Capacity | 13 liters with the closure rolled three times. |
| Material | bluesign-approved 30D Ultra-Sil Cordura ripstop nylon. |
| Waterhead rating | 2,000mm for the fabric. |
| Construction | Double-stitched, tape-sealed reinforced seams; secure Hypalon roll-top closure. |
| Closed dimensions and weight | 8.7 x 7.7 x 17 inches; 0.11 pounds. |
| Color | HighRise Grey. |
Key Features Explained
The fabric has a slippery finish described as making packing easier, and its translucent construction lets you see the contents. The low-profile shape is designed to save space, while the oval base resists rolling.
A patent-pending field repair buckle can be replaced in seconds. The seams are described as waterproof, and the fabric has a separate 2,000mm waterhead rating.
What to Compare Before Buying
- Capacity: The stated 13-liter volume assumes the closure is rolled three times. Consider whether that capacity suits the items you intend to organize.
- Pack fit: Check the closed dimensions against the space available in your pack or storage area.
- Water exposure: Compare the stated fabric rating and seam construction with the level of water protection required for your use.
A Simple Packing Layout
Before packing, group the items you want to organize and consider whether they fit within the 13-liter capacity. The translucent fabric can help you identify visible contents without opening the roll-top. You can also check the closed dimensions against your available pack space before loading the bag. This is a general packing approach, not an additional product feature.
Before You Decide
Confirm that the 13-liter capacity, measured with the closure rolled three times, and the closed dimensions work for your planned contents. For water protection, weigh the stated fabric rating and seam construction against the conditions you expect.
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