REI Co-op Tuff Lite Compression Sack - 9 x 21
This product is not available. Good news: we have a newer version.
Available in four sizes, these ultralight compression stuff sacks are the ideal way to cut pack weight--they truly provide more size for less weight!
Shop newer version- Constructed using lightweight nylon ripstop and the lightest webbing available
- Unique top and bottom caps aid in compressing tough loads
- Critical areas are reinforced with double layers of material
- Available sizes are suitable for anything from synthetic sleeping bags to down jackets
- REI Co-op brand is certified to The Climate Label; we actively fund efforts to reduce carbon emissions across our business and support climate projects around the world
| Best Use | Backpacking |
|---|---|
| Material(s) | Nylon ripstop |
| Dimensions | 9 x 21 inches |
| Weight | 2.5 ounces |
| Sustainability | From a Climate Label Certified brand |
Better gear is built together
From feedback to field testing, all of our gear is dialed-in by REI Co-op members. Their adventures informed every stitch and detail—making for better, longer-lasting gear.


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I have 3
I have three of the stuff sacks. The Medium fits my MSR Hubba Hubba and I use a Large for my REI Polar Pod Sleeping Bag and another for clothing. Although the draw string is a bit weak it hasn't created any issues when using it. The straps pull down tightly and usually it is the items inside preventing me from pulling them all the way down, rather than lack of cord like some of the other reviews mentioned. Overall it works great for the price and I have had no problem with them on several backpacking trips and they work as good as the day I bought them.
First time use it broke twice
The worst sack ever: First flaw: The draw string is way to thin and when you try to sinch it up and you have a big sleeping bag in the sack it loses up. Good thing I had some nylon cord to fix the problem. Seconed flaw: The straps that tighten up the sack are not tightly ancord to the bag when you tighten them up like I did today it just came out of the bag and hang there and mock you. So I Still love REI gear just not there bags.
Unimpressive...
I had high hopes for these compression sacks (I bought this one and the 7" X 17" bag) because of the high quality I've experienced with other REI gear. But I was disappointed. I didn't realize just how narrow the bore of the bag is until I started trying to pack up some gear. The small diameter isn't necessarily a flaw, but it can limit the gear you pack inside (more so than just about every other compression sack I've used). The drawstring and seams around the opening are not very stout and thus requires a bit of care in closing a full bag to keep from ripping the drawstring right out of the seam. Also the spring-loaded button that keeps the opening closed (I'm sure there is a name for that thing) is too weak to keep much tension on the cord. However, the biggest flaw is the lack of volume reduction possible with this bag. The absolute maximum the bag can compress is about 5 inches. This is because the cloth ends of the bag extend too far towards each other. So with a fully-loaded bag, when the end caps are in place there is only about 5" of strap between them. The result is that it's difficult to fully load the bag (because of the deficient drawstring) compounded by the inability of the bag to compress the under-packed bag before you pull the straps until the end caps meet. For me, not being able to compress fluffy gear with a compression sack defeats the purpose. The only up-side is that they are quite a bit cheaper than the nearest bag of similar size.
