Product Information

Note: This product is currently on backorder and has an estimated availability date of 06/29/2020.


The F1 Mainframe Pack is what a great modular pack system is all about. It's one of the primary base-platforms in the Eberlestock® Modular System (EMOD) lineup, giving it true mix-and-match versatility. Add complementary accessories of your choice (not included), and the Mainframe can function as a freight pack, day pack, or all-around utility pack. Build a true ultra-light pack simply by adding on an Eberlestock J-Type Zip-On Dry Bag (not included). For hunting, it transforms into a meat hauler within seconds.

  • Durable Intex II aluminum frame
  • Zippered attachment points for compatibility with Eberlestock duffels, drybags, and more
  • Full MOLLE webbing matrix covers main panel for attaching accessories
  • 3 built-in horizontal compression straps for securing gear
  • Adjustable ladder harness system for quick customization of fit
  • Manufacturer's lifetime warranty

Key Specifications

  • Item Number: 712378
  • Dimensions: 26"h. x 11"w.
  • Weight: 4 lbs. 5 oz.
  • Mfg. Number: F1HM