Sea to Summit eVAC Dry Sack 5L (stseVACdrysack5L) – 5 Liter Valve-Free Air-Purge Waterproof Dry Bag
Sea to Summit eVAC Dry Sack 5L (stseVACdrysack5L) – 5 Liter Valve-Free Air-Purge Waterproof Dry Bag
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Sea to Summit eVAC Dry Sack 5L (stseVACdrysack5L)
The Sea to Summit eVAC Dry Sack 5L (stseVACdrysack5L) is a slimmed-down version of the award-winning eVent® Compression Dry Sack. Waterproof, air-permeable eVent® fabric on the base lets air purge out with no valve at all: instead of tightening straps, you simply roll the sack down and the air is pushed out through the bottom. Clip the buckle and you have saved space and weight in one motion. The body is oval rather than round, so it resists rolling when laid on its side and packs flat against the wall of a pack.
Features
- Air-permeable, waterproof eVent® fabric base
- Valve-free air-expelling design for compact packing
- Space-saving, low-profile, streamlined shape
- Oval base resists rolling and stays where you put it
- Waterproof, non-wicking Hypalon® roll-top closure
- 10,000mm waterhead lightweight, durable nylon fabric
- All seams double stitched and tape sealed
- Reinforced stitching at stress points
- White interior for better visibility of contents
- Available colors: grey and blue
Specifications
| Model | eVAC Dry Sack – 5 Liter |
|---|---|
| SKU | stseVACdrysack5L |
| Volume | 5 L |
| Body fabric | Lightweight nylon, 10,000mm waterhead |
| Base fabric | eVent® waterproof, air-permeable |
| Closure | Non-wicking Hypalon® roll top |
| Base shape | Oval — resists rolling |
| Seams | Double stitched and tape sealed |
| Interior | White, for contents visibility |
Proper Use
- Any roll-top dry sack has to be closed correctly to keep water out. Fold the Hypalon® strip down first and make at least three rolls before clipping the buckle.
- Avoid contact with sharp objects and high-abrasion surfaces, which can compromise the waterproof fabric.
- Sea to Summit recommends double-bagging sensitive electronics (one dry sack inside a second). For maximum protection use a waterproof hard case.
- Not intended for situations where the dry sack will be submerged under water.
Frequently Asked Questions
How does the Sea to Summit eVAC Dry Sack 5L purge air without a valve?
The base of the Sea to Summit eVAC Dry Sack 5L (stseVACdrysack5L) is made from eVent® fabric, which is waterproof in one direction but permeable to air. Rolling the top down pressurizes the sack and the trapped air escapes straight through the bottom, so the contents pack flat with no purge valve to clog, leak or break.
What is the difference between the Sea to Summit eVAC Dry Sack 5L and the eVent Compression Dry Sack?
The Sea to Summit eVAC Dry Sack 5L (stseVACdrysack5L) is the slimmed-down version: it drops the four compression straps and lid of the eVent Compression Dry Sack and relies on the roll-down alone to expel air. That makes it lighter and lower in profile, better suited to organizing smaller items than to crushing a sleeping bag.
Can the Sea to Summit eVAC Dry Sack 5L be submerged?
No. The Sea to Summit eVAC Dry Sack 5L (stseVACdrysack5L) uses 10,000mm waterhead nylon with tape-sealed seams and a non-wicking Hypalon® roll top, which keeps contents dry in rain, spray and splashes, but it is not designed for prolonged submersion. Use a waterproof hard case if the gear will go underwater.
Why is the base of the Sea to Summit eVAC Dry Sack 5L oval instead of round?
The oval base on the Sea to Summit eVAC Dry Sack 5L (stseVACdrysack5L) keeps the sack from rolling when it is laid on its side, and it lets the sack sit flat against the wall of a pack or the floor of a canoe instead of taking up a cylinder of space.
What fits in the Sea to Summit eVAC Dry Sack 5L?
At 5 liters, the Sea to Summit eVAC Dry Sack 5L (stseVACdrysack5L) is sized for a spare layer or two, a first aid kit, socks and base layers, or a small electronics and documents kit. The white interior makes it easy to spot what is inside without dumping the sack out.
Where can I buy the Sea to Summit eVAC Dry Sack 5L?
You can buy the Sea to Summit eVAC Dry Sack 5L (stseVACdrysack5L) at Going Gear, an authorized Sea to Summit dealer. Every sack ships new in original packaging with the full manufacturer warranty.

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