2024 Zerk 40L Backpack by Mountainsmith

Ships in 1-2 business days | Based in Golden, CO | Est. 1979

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.

New updated version includes added daisy chain attachment points, dual ice axe loops, dual side compression straps, and embroidered design. *Image details are subject to change without notice.*

Co-designed with The Real Hiking Viking, a prominent long distance hiking machine, this pack was developed over two years with one mission; to go faster, further, and lighter. After over 5000 miles of testing in the Rockies, this pack is on its 5th generation of design upgrades. Built with ultra-light and durable materials, the Zerk 40 will be your best friend and greatest asset when out on the trail.

Features:

• 1.5” removable waistbelt
• 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 while 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 bungee cord (included)
• Removable interior laser cut frame sheet (EVA Atilon) allows for rigidity and airflow

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Specs:

• Volume: 40L (with fully extended collar)
• Internal volume: 32L with roll-top compressed
• Dimensions: 22″T x 14″W x 10″D
• Framed: No, padded back
• Hipbelt: Removable 1.5″ webbing
• Recommended maximum load capacity: 30lbs

Sizing:

• Torso range: 16″-19″
• Waistbelt: up to 48″

Weight: 1lb 13oz (with accessories), 1lb 11oz (without accessories)

Materials:

• 210d EXTREEMA Recycled Nylon Ripstop (UHMPE)
• Recycled 210d nylon SD oxford
• Nylon 100D x Span 840D stretch mesh