How to Choose a Backpack
Mountainsmith Zerk 40 Pack
$219.95
Members get an est. $21.99 in rewards
Hike fast and far with this 40 L Mountainsmith pack. Co-designed with The Real Hiking Viking, it was tested and developed through thousands of hiking miles. The modular design lets you strip weight.
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- Roll-top closure with opposing side-release buckles for self-closing roll top and side panel attachment
- Extra-wide shoulder straps with dual adjustable sternum straps
- 4 modular side compression straps for securing the load throughout the entire pack
- Customizable front panel bungee system
- Removable 1.5 in. waistbelt; works with accessory Knockabout, Loki and Z-Belt packs (not included)
- Large main compartment holds up to 40 liters of gear with extra 4 liters of storage in the roll-top area
- Expansive front stretch mesh pocket for hauling bulky gear
- Reflective bungee and webbing hits for visibility
- Removable interior framesheet (EVA/Atilon)
- Dual side water bottle pockets with angled openings for easy access
- 4 large mesh front pockets on shoulder straps (2 per side) accommodate 500 ml bottles, bear spray, etc.
- Airflow EVA foam padded shoulder straps
- Adjustable over-the-top V-shaped compression strap with side-release buckle closure
- Hydration bladder sleeve with hose port (hydration bladder not included)
- Compatible with Zerk 7L Top Lid (not included)
Imported.
View all Mountainsmith Backpacking Packs| Best Use | Backpacking |
|---|---|
| Frame Type | Internal Frame |
| Ultralight | Yes |
| Gear Capacity (L) | 40 liters |
| Gear Capacity (cu. in.) | 2,441 cubic inches |
| Weight | 2 lbs. 2 oz. |
| Fits Torso Length (in.) | 16-21 inches |
| Fits Waist/Hips | 28-48 inches |
| Material(s) | 210-denier Robic® nylon X-Grid with Extreema (UHMWPE) R/S UTS; 100-denier Robic® nylon Extreema (UHMWPE) R/S UTS; 150-denier high-density polyester liner; YKK® zippers; EVA foam |
| Frame Material | Atilon framesheet |
| Reservoir Compatible | Yes |
| Pack Access | Top |
| Number of Exterior Pockets | 11 + main compartment |
| Raincover Included | No |
| Dimensions | 20 x 12 x 9 inches |
| Gender | Unisex |
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