Zerk 40 UL Backpack Lumbar Packs With dual zippered compartments and

With dual zippered compartments and an internal sleeve divider

This isn’t just about hauling more—it’s about moving smarter

replaceable rubber boot tip

Your current daypack has a problem

Its modular MOLLE accessory pocket gives you customizable storage options

Zerk 40 UL Backpack Lumbar Packs With dual zippered compartments andA perfect marriage of Mountainsmith's Function First Design and an ultralight ethos, the all new ZERK 40! The ZERK 40L, the original cornerstone of our ZERK UL Series, has been tested & developed thru 10's of thousands of thru hiking miles and co designed with The Real Hiking Viking (AKA Jabba). When the goal is to hike faster, longer and with more efficiency, consider this award winning pack on your next ultralight adventure. For this new addition to