Marmot Graviton 48 Panel Loader Backpack

48 Litres / Internal Frame, Raised Mesh Back / Hydration Compatible
Weighs 1168g
Code: SS16573
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A tough backpacking rucksack with tons of extra features. The stiff frame allows a heavy weight to be carried in this pack and wide hip belt transfers the load efficiently. 

Marmot says:

No need to unload the whole pack, the easy-access zipper of the Graviton 48, the largest in this burly series, makes it simple to dig out any piece of gear, whether it’s at the top of your pack or the bottom. Built with a comfortable ventilated suspension with a tubular aluminum frame, and a slew of attachment points and pockets, it’s time to fill this pack with all your gear and hit the trail.

It's hard to believe the weight of Marmot's Graviton 48 Panel Loader Backpack when you see how comprehensive the back panel and carrying system really is. The back panel itself is moulded stiff plastic with an ergonomic shape, this is supported by a metal rail which runs round the sides and bottom of the framesheet. It's incredibly supportive and will allow you to carry a lot of weight.

There are 3 main points where the pack meets with your back, two points between the shoulder blades and one at the small of your back (in line with your hips). The rest of your back is free to breathe, kept away from the rucksack with mesh. We don't stock too many packs that do this, as this set-up normally adds a lot of weight to the pack. Marmot have achieved a very breathable back system at a minimal weight penalty.

Feature-wise the Graviton has it all and more, large lid pocket, extra-large side bottle pockets, front stash pocket for wet gear & a front opening zip panel that allows access to the entirety of the pack.

The hip fins are nice and wide giving a lot of support, they've got good sized zip pockets on both sides too.

- Reviewed by Ultralight Outdoor Gear

Help and advice: Choosing a rucksack at Ultralight Outdoor Gear  
  • Wrap Around Zipper w/ Multiple Sliders for Easy Access to Main Compartment
  • Airflow Suspension Comfortably and Efficiently Carries All Your Gear
  • Padded Waist Belt with Dual Mesh Zippered Pockets
  • Zippered Lid Compartment with Mesh Pocket and Key Clip
  • Adjusted Side and Bottom Compression Straps
  • Removable Lid with Zippered Pocket and Key Clip
  • Storm Collar with Top Compression Strap
  • Dual Tool/Trekking Pole Attachment
  • Clipping Points with Reflective Tape
  • Daisy Chain
  • Hydration Port and Clip for Hanging Reservoir
  • Lid and Front Lash Points
  • Sternum Strap
  • Water Bottle / Gear Pockets
  • YKK Zippers
  • Durability Without the Weight
  • Weight: 1168g
  • Volume: 50 litres
  • Pack dimensions: 24 x 11.4 x 12 in
  • Main material: 70d 100% Nylon Robic Ripstop
  • Lining material: 135d 100% Polyester
  • Reinforcement material: 100d 100% Nylon Triple Ripstop
Showing our 2 Marmot Graviton 48 Panel Loader Backpack reviews with an average rating of Excellent. Would you like to write a review?
Review Summary - 5 out of 5 based on 2 ratings.
September 26, 2017 | Danny
Comfortable weekend pack

I was pleasantly surprised by the Marmot Graviton 48 backpack. It is very comfortable for a lightweight pack with minimal padding on the hip belt or shoulder straps. It feels much bigger than 48 litres in use and easily swallows full camping kit for several days with room to spare. The pockets on the hip belt are useful for keeping snacks etc in and the top pocket can fit a shell jacket and pants, hat, gloves etc with no problem. A well thought out, comfortable and great looking pack.

Ultralight Outdoor Gear Limited
November 24, 2016 | Gannetman
Ideal long weekender

Unbelievably comfortable and really stable with pretty big loads. Really pleased with this after years of lugging around a macpac weighing more than twice as much. Great belt pockets.

Ultralight Outdoor Gear Limited