We use waterproof, air permeable eVent® fabric on the base for valve-free air expulsion, allowing compact packing. Instead of straps for compression, just roll the sack down and air is pushed out of the base. Then close the buckle and you’ve just saved space. These sacks are oval-shaped, rather than round so they better fit the internal contours of a backpack.
- Air permeable, waterproof eVent® fabric base
- Valve-free air expelling design for compact packing
- 70D fabric for strength
- Oval base resists rolling, packs more efficiently
- Waterproof non-wicking Hypalon roll top closure
- 10,000mm waterhead, lightweight durable nylon
- All seams are double stitched and tape sealed
- White interior for better visibility of contents
- Use: storage of compressible contents, such as clothes and sleeping bags
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