Mountainsmith Zerk 40 Backpack Review

The Mountainsmith Zerk 40 is a speed hiking backpack designed for ultralight thru-hiking. Weighing 25 oz, it has a roll-top closure, removable, hip belt strap, a running vest-style shoulder strap system, and removable foam framesheet. Numerous open mesh pockets make it easy to store frequently accessed gear and food on the exterior of the pack … Read more

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