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Granite Gear Air Compressor

rated 4.0 of 5 stars
photo: Granite Gear Air Compressor compression sack

The Granite Gear medium Air Compressor is a nice lightweight alternative to the slightly heavier duty "Rock Solid" compression sack. It holds its own and has added features that increase its durability.


  • Lightweight
  • Easy cinching


  • Have to stretch the lid over the opening


The sack allows you to compress down to the strap limit without the fear of ripping at the seams. I have the older model with 4 nylon webbing straps. The newer model uses 4 paracord strings.

The sack is easy to use. You just stuff, cinch the hole, pull the lid over the top and wrench down on the four straps to compress your load. 20170422_071723.jpg

I use mine for my sleeping bags and it always does the trick. 

The waterproof coating keeps the moisture out. You can throw it on wet ground, in the snow or in a puddle without worrying. It's like the silicon coated material that many tents are made of these days. 

The sack itself is reinforced at all of the necessary stress areas. Double stitching where needed and single stitching where it isn't.

The nylon webbing straps are a bit more narrow and thin than older models to reduce weight. The  draw cord hole is reinforced. 
I really like that the tail end of the sack has a handle. This makes it much more bearable to remove things from the bag that are packed tight. 

I've owned my three Granite Gear sacks for a couple of years now and they are my go-to compression sacks. I have a half dozen other brands, but my Granite Gears are still my favs.

In the end, I would recommend this sack to anyone who's looking to compress some gear. It's light, durable, easy to use, and is based in my home state of Minnesota!

Source: bought it used
Price Paid: Came with a sleeping bag

It works well, does what it's suppose to!


  • Light weight
  • Sturdy


  • Ends come off
  • Strings

I bought the small compression sack to store my clothes during a Philmont trip. Great size, very light weight, looks to be waterproof but I have not tested it.

I was pleased with the size it compressed to. I would much rather have straps for compression instead of strings. The ends on the strings won't stay on, so I just tied a knot on the end.

I have used it several times and it shows no wear.

Source: bought it new

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Price MSRP: $27.95
Current Retail: $33.95-$42.95
Historic Range: $11.83-$67.46
Weight 1.76 oz / 50 g 2.2 oz / 63 g 2.47 oz / 70 g 2.9 oz / 83 g
Dimensions 5 in x 7.25 in x 16 in / 12 cm x 19 cm x 38 cm 5.25 in x 7.75 in x 17 in / 13 cm x 20 cm x 43 cm 6 in x 8.75 in x 19 in / 15 cm x 22 cm x 48 cm 7 in x 10 in x 20.5 in / 17 cm x 25 cm x 52 cm
Capacity 475 cu in / 7.8 L 675 cu in / 11 L 975 cu in / 16 L 1400 cu in / 23 L
Price $27.95 USD $29.95 USD $31.95 USD $35.95 USD
Product Details from Granite Gear »

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