F1 Mainframe Overview
The most versatile pack system in the backcountry.
The Vapor Series
Available in three size options — the Vapor Series redefines ultralight hunting.
The perfect option to build a minimlaist day pack.
Pairing the Mainframe with Packs
See some of the most popular setup options with the Mainframe.
REGULAR PRODUCT SPECS
- Weight: 4 lbs 5 oz
- Dimensions: 26"h x 11"w
TALL PRODUCT SPECS
- Weight: 4 lbs 8 oz
- Dimensions: 29.5" x 11"w
- Built-in Grapple compression straps
- Zippered attachment points
- MOLLE webbing matrix on main panel
- Adjustable ladder harness system
F1T (TALL VERSION) PRODUCT FEATURES
- Tall version is 3.5" taller than the regular size
- Designed for those with torso lengths measuring 19 inches or longer
- Tall Mainframe is compatible with the same accessories and packs as regular Mainframe
Just got back from a cow hunt. The pack was great and super light! Unfortunately wasn't able to pack out any meat as expected. Will review again when I carry an elk out with it!
I just received the F1, so I have not had it out in the mountain yet, but the initial take is great. Seems really well built and I love the modularity of it. I got a couple batwings so I can use it as a day pack as I am new to western hunting and will start off with day hunts and the modularity of it allows be to grow to be able hold a weekend trip gear and then eventually a week long hunt in the wilderness of I do one. That plan is the reason I went with this pack.
I was already a fan of Eberlestock products with using the X2 for 3 years as a saddle pack for public land whitetail hunting. Great design, quality materials, and excellent craftsmanship.
The F1 mainframe and its versatility were highlighted to me in an Idaho elk hunt when I borrowed one from a friend.
I loved using the frame as a back support while glassing and got to see the fantastic modularity of going from a 7500 vapor set up to a meat hauler with just the bat wings in less than a minute after we dumped gear and started meat hauling. It helped me pack out my first elk comfortably with no issues outside of my own stamina. Less than a year later, I evaluated multiple options as I considered buying my own pack for a 2023 backpack elk hunt and landed right back on the F1 for its design flexibility, ease of use, and competitive pricing. I paired the F1 Mainframe with the 7500 Vapor, Batwings, hydration bag and the 4000 dry bag to cover my backpacking scenarios.
Appreciated the great customer service as well addressing some concerns when I thought I had ordered the wrong size recon bino harness. I got everything I needed in quick fashion! Eberlestock has earned a long term customer.
I ordered the F1 main frame with 2 bat wings .
Right now I am using this as my saddle pack carrying sticks and platform . Really comfortable and easy adjusting. Thanks for the pack eberlestock .
Could not be more excited to pack this rig through the mountains next year! Feels comfortable, and appears to be well built!
I am 5’10”, 175# and this frame with 2 Batwings fits me perfect. The anxiety of getting that first load of meat out without a hauler pack that also works as a day pack is gone. It even converts to a strap on seat.
7 day hunt this past week. Loved the A_Frame.
Very durable, wears well, and is exceptionally versatile.
Everything about this pack was great. It makes the load you carry feel dramatically lighter. I swear it defies physics.