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Jam 50L Pack (Unisex)

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Save: 50% Compare At: $220.00

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1 lb 14 oz. | 840 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 50L 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: 3050 in3, 50 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 208 reviews)
The straps are rubbish
I bought this pack to do an Appalachian Trail thru-hike and by the time I arrived in Damascus VA (500 miles), the straps were basically cords and the padding was useless and dug into my shoulders. It happened even though the pack was about 14-16 lbs!
by Sixty on 7/12/2014
Skeptical no more
I've always been a framed pack kind of guy, but after a buddy lent me the 50l jam for a weekend hike, I'm starting to sing a different tune. There's plenty of space for all you need for a few days and even up around 30lbs it remained comfortable. I'll certainly be adding one of these to my gear rack
by Steve on 6/26/2014
Amazing! Stop reading reviews and buy this pack.
I did a lot of research before I bought this pack, but for the weight and the price, there is nothing better! I wasn't sure if I could fit all of my gear in 50L, but this pack has more than enough room. I consider myself to be a "comfort" lightweight backpacker. Usually around 25lbs and I bring a tent and foam sleeping pad. Have packed it with the sleeping pad unrolled in the inside of the pack, and more recently, have attached the sleeping pad rolled up on the side using the compression straps. Both ways work for me, depending on the food/cold weather gear I need. I have used it for both overnight trips and week-long trips. I love that this has room for everything I need, and not a ton of little pockets to search through. I have also used this for weekend trips on the train, and as a carry-on bag on a plane for a weekend trips.
by Jennifer on 6/2/2014
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