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Jam 70L Pack (Unisex)

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Save: 46% Compare At: $240.00

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1 lb 15 oz. | 880 g
Named Backpacker Magazine's 2012 Best All-Around Ultralight Pack, the Jam is incredibly lightweight while still providing the comfort and functionality you need. Made with stronger-than-steel Dyneema® and Ripstop Nylon, this lightweight backpacking go-to is as strong and durable as it gets. Improved suspension for carrying comfort, in addition to the GoLite ComPACKtor™ system for optimal compressibility, makes the Jam backpack ideal for everything from a weekend backpacking trip to a long distance thru hike.
Jam 70L Pack (Unisex)


  • Double-Wishbone™ hipbelt with quick-access zippered stretch pockets
  • Removable foam back pad
  • High-void meshes on back panel and shoulder harness
  • ComPACKtor™ system reduces volume via easy to use anchor/strap system
  • Large front organization pocket
  • Side stretch water bottle/accessory pockets
  • Side compression/accessory attachment straps
  • Twin ice axe loops and handle straps
  • Internal hydration sleeve
  • Cinch and roll-top closure system with top compression strap
  • Load lifters control and transfer weight closer to the body (Jam 70 and 50 only)

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  • 100% Gridstop Nylon + Dyneema® (210 denier)
  • 100% Recycled Double-Diamond Ripstop Nylon (210 denier)
  • 100% RobicTM High-Tenacity Nylon (210 denier)
3-liter hydration compatible

Use this pack with your favorite 3-liter hydration bladder.

The comPACKtor™ system makes your pack far more versatile by enabling you to reduce your pack's volume through the use of two fixed compression anchor clips and adjustable side compression straps. With the comPACKtor™ system engaged, your pack is instantly transformed from a lightweight multi-day carrying system into a day-tripper or peak-bagger with smaller profile and volume.

Dyneema® The fabric of choice for our standard-setting UltraLite Series packs, our exclusive Dyneema® Gridstop weave combines 100% nylon base yarn with Dyneema fibers to deliver the strongest, lightest, performance pack fabric ever produced. Dyneema fibers have a strength-to-weight ratio that is 15 times better than high tensile steel, making this fabric incredibly difficult to tear.

Technical Specs:

  • Volume: 4270 in3, 70 L
  • Maximum Recommended Load: 30 lbs, 14kg
  • Spine Length: Small 15.5"-17.5" (39.4 cm-44.5 cm); Medium 17.5"-19.5" (44.5 cm-49.5 cm); Large 19.5"-21.5" (49.5 cm-54.6 cm)
  • Hip Belt Length: Small 26"-45.5" (66 cm-115.6 cm); Medium 29"-48" (73.6 cm-121.9 cm); Large 33"-54" (83.8 cm-137.2 cm)
  • View the Pack Comparison Chart


Average Rating:
(based on 87 reviews)
I love these packs.
I thru hiked the AT in 2008 with a Jam 50 and it is still being used to this day. While thru hiking I saw every type of pack fall apart except the Golite. I also thru hiked the PCT in 2010 with a 70 liter Jam and it also lasted the distance and is still in service. Also maybe I should mention I am a wilderness guide and I loan out these packs to guest on a regular basis. Enough said!
by Joe Howell Chiefdaddy on 10/20/2014
Best I've tried
I've had a Jam 70L for 2 years and usually carry between 25 and 30 lbs. in it. It has held up great with no breakdowns of any kind. I don't use the hydration sleeve so I put my my tent tarp in it. I roll my sleeping bag (Big Agnes with an air mattress) and put it in sideways along with a foam pad the same orientation and they add stiffness to the pack. Then I throw in my clothing sequentially so it comes out according to the layers I want when hiking. The pockets on the side hold my gloves, rain pants, water bottle and a couple of odds and ends. First aid, hygiene essentials and water filter go in the zippered pouch on the back along with some food stuff. The rest of the food goes in the top. I can get the weight down to less than 20 lbs. and then add a pound of food per day for backpacking. I haven't found a better system in 50 years of hiking and dozens of pack combinations. This thing is simple, tough, versatile and light. My day pack is a Jam 50L.
by Kenneth on 10/3/2014
I bought this pack like everyone else, to reduce weight. As it turns out it's a durable and rugged pack as well. I've used mine on two 4 day Grand Canyon trips 33 miles in 4 days on the Tonto and it was beat to hell on the rocks. Just like the old timex commercial says, "It takes a lick'n and keeps on tick'n". I've also, so far, have logged approx. 160 miles on the AT with it. Great pack and good features at a great price.
by Gregory Stockdale on 6/6/2014
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