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The F1 Mainframe represents what is arguably the greatest innovation in modern pack making, the holy grail of a great modular pack system. But unlike any other pack system, with this load bearing workhorse as a base, you can build a true ultra-light pack simply by adding one of ourJ2DBDry Bags.
The F1 is one of the primary base-platforms for the EMOD - the Eberlestock Modular System, and it works with an ever-growing number of complimentary accessories. Add components of your choice, and the Mainframe can function as a freight pack, day pack, or all-around utility pack. For hunting, it transforms to a meat hauler within seconds
Intex ll aluminum frame.
Zippered attachment points compatible with our duffels, drybags, and more.
Full MOLLE webbing matrix covers main panel to attach scabbards, pouches, etc.
Three built in horizontal compression straps for securing your gear.
Adjustable ladder harness system. Makes customizing the fit quick and easy
Lifetime manufacturers warranty.
F1T (Long Version) Features
Tall version is 3.5" taller than the regular size
Designed for those with extra-long torsos or prefer higher load-lifter straps
Tall Mainframe is compatible with the same accessories and packs as regular Mainframe
Weight: 4 lbs 5 oz
Dimensions: 26"h x 11"w
Weight: 4 lbs 8 oz
Dimensions: 29.5" x 11"w
Customise Your Pack With Compatible Add-Ons
TheTransformeris ideal for day or overnight hunt trips. Stay organized but still have a frame to haul meat.
Use2 Batwingswhen you plan to go in light and come out heavy. Stay quick, light and mobile with the Batwings. They are intuitive and make packing out meat simple.
Pair with theSpike DuffelorDry BagwithBatwingsfor a 2-4 day hunt. Pack all of your gear into the backcountry and when you reach camp and drop your gear, unzip the duffel or dry bag and hunt in your ultralight Batwing setup.
If you like the organization and function of a backpack, theLittle Big Topis the ideal choice for a 2-5 day trip. Allows for top-loading or front-loading access and use the Mainframe when it is time for some heavy lifting.
TheBig Topis ideal for those who want to get out and stay out for extended 5-10 backcountry stays.
For a 5-10 hunt, use theDry BagandLittle Big Top. Pack all of your gear into the backcountry and when you reach camp and drop your gear, unzip the dry back and hunt in your compact Little Big Top setup.