Compression Sack
SaleHighlights
BEST USE: Pack organization
WATERPROOF? The fabric is waterproof enough for storage inside a pack, but the seams are not tape sealed, and the top does not utilize a roll-top closure. So - water resistant rather than waterproof
DIMENSIONS: 8 x 18 inches
WEIGHT: 5.5 oz | 156 g
Shipping & Returns
Our warehouse is actively shipping orders from 8am to 1pm MST Monday through Friday. Most orders ship in one business day, but the transit time can take up to 7 days, depending on your distance from Boulder, Colorado.
2nd Day and Next Day Air orders will ship same day if placed by 1pm MST, Monday-Friday (except holidays).
All orders are eligible for fast and easy returns within 60 days of purchase.
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Description
The Compression Sack is the perfect solution for squishing down bulky soft items for organized packing. These burly sacks are built from a water-resistant 70D Nylon fabric, offering excellent strength to weight. They can allow compression down to one-third of their original volume, which means you save valuable space in your pack for other essentials.
Technical Features

Strong and lightweight 70 Denier Nylon fabric. The PU coating is waterproof (rated to 2,000mm hydrostatic head) and is colored bright white to make it easy to find your gear inside these bags.
Tech specs
S / 10 liter | M / 15 liter | L / 20 liter | XL / 30 liter |
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Frequently Asked questions
Is this compression sack a good tent storage bag?
Perhaps. Carrying the tent canopy in your pack (with the poles under the compression straps) is a great idea. However - the canopy may not compress that much.
Is this compression sack waterproof?
No, this compression sack is only water-resistant. While the body of the compression sack is waterproof enough (2000 mm hydrostatic head) for use as storage inside a backpack or duffle, the seams are not tape-sealed and the top doesn't have a roll-top closure, so it's possible for water to get inside.
Is this compression sack worth the weight and cost?
We think so. These are much more rugged than other entry-level compression sacks and great for avid adventurers.