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Mountainsmith Zerk 40 Liter Backpack

Co-designed with Former Marine and renowned thru-hiker The Real Hiking Viking, the updated Zerk® 40 pack stands alone as the ideal combination of lightweight durability, comfort, and accessibility. The new updated version includes added daisy chain attachment points, dual ice axe loops, dual side compression straps, and embroidered design.

  • Awarded The Best Fast and Light Pack away by The Trek
  • Large main compartment holds up to 40 liters of gear
  • Roll top closure with side compression SR buckles Opposing SR buckles for self-closing roll top
  • Side compression straps for securing load throughout entire pack
  • Large side water bottle pockets with angled opening to easily remove and insert items on-the-go
  • Expansive front mesh pocket for hauling bulky gear
  • Large mesh side stash pockets with angled opening for easy reach
  • Reflective screen printing and cord loops for low light visibility
  • Front cord loops can be configured with included bungee cord
  • Removable interior laser cut frame sheet (EVA Atilon) allows for rigidity and airflow
  • 1.5" removable waistbelt
  • Color: Black
  • Materials: 210D Extreema recycled nylon ripstop (UHMPE), recycled 210D nylon SD oxford, nylon 100D x Span 840D stretch mesh
  • Torso range: 16-19"
  • Waistbelt max: 48"
  • Dimensions: 22" x 14" x 10"
  • Weight capacity: Up to 30 lbs.
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Based in the mountains of Colorado, Mountainsmith® came into being in the 1970's when a frustrated outdoorsman, Patrick Smith, felt that there had to be a better mountaineering pack out there. Turns out there wasn't, and thus, Mountainsmith was born.

The company has since evolved to offer a full line of high-quality, high-performance outdoor products. From sleeping bags to lumbar packs to their complete line of hauling systems, there is a Mountainsmith product to meet your every adventure need.

And, if you're inclined to take along man's best friend on your next adventure...there is even gear for him!
Description Access / Loading Approximate volume Average weight Price Qty

245044101

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Top 40 liters (fully extended collar) 32 liters (roll-top compressed) 1 lb. 13 oz. $219.95