Design benefits
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Compact design
Roll-top fastening and side straps to compress the bag
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Compatibility
Bag can be accessorised (belt, straps) and 2 L water bladder (not included)
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Robustness
100 Denier High Tenacity Polyamide. More durable reinforced thread weave
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Capacity
Suitable for an ideal weight of 10 kg, maximum 12 kg
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Multiple compartments
3 large outer pocketsFlask access without putting the bag downInside zipped pckt
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Weight
880 g for a 50 litre bag
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Carrying comfort
Bag with underwiring. Curved and adjustable back. Double-density foam straps
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Ventilation
Ventilated, stretch mesh back panel for air circulation
Design details
How we obtained a bag weighing only 880 g
Thanks to our knowledge of ergonomic carrying capacity acquired over the years, we can offer you a comfortable bag with minimalist construction.
We have used our long-standing experience in the field, which has enabled us to validate components that are both lightweight and durable (like the fabric and metal frame).
Back length and waistband circumference measurements for this ultra-light trekking rucksack
Back length (distance from 7th vertebrae to the pelvis):
- Minimum: 37 cm / 15 in
-Maximum: 53 cm/21 in
Waistband circumference:
- Minimum: 68 cm / 27 in
-Maximum: 107 cm / 42 in
Is the back length adjustable?
Yes, in the back section of the backpack, we have added an ultra-light snap hook adjustment system based on your back length, from XS to L.
These sizes are in relation to your back length.
What is the manufacturing of this ultralight backpack?
This bag is made in Europe and more precisely in the Czech Republic.
We made this choice for greater proximity between design and production places, which allows us to increase our responsiveness.
It also takes into account the distance between the manufacturing site and some of our sales locations.
The size of the different pockets
- The side pockets each contain 3.5 litres.
- The front pocket contains 4.5 litres.
- The main compartment contains 39 litres.
In total, this bag contains 50.5 litres.
The various accessories and pockets of this bag
This bag has:
- Roll-top fastening
-3 large external pockets
-Water bottle and belt pocket access without removing the bag
-A zipped inside pocket (key, money, passport, etc.)
- Compatible with a 2 L water bladder
-An upper strap compatible with a standard Bear Canister
The adjustment systems on this backpack
- Back height adjustment with ultra-light snap hook
-Height-adjustable chest strap
-Strap tighteners
-Belt strap tighteners-
Load adjuster straps
Making sure that this bag adapts to your body shape and how to test it
Studies carried out on different body shapes, especially male and female, enabled us to find a balance so that we could offer everyone an intermediate curve.
Why not come into store and try out this high level of comfort? Check that it is available in the "choose a store" window at the top of the product sheet.
Compatibility of the bag with accessories on the market
This bag can hold standard market-available ultra light accessories thanks to its loops and belt. For example, you can add a bottle holder to the shoulder straps and an additional pocket on the belt.
Is this bag waterproof?
This bag is water-repellent, but not watertight. It means that it can withstand light rain. For heavy rain, it is best to use a waterproof compression bag (pack liner) or a rain cover (not included). You can find ultra-light waterproof bags in three sizes (7 L, 13 L and 22 L) on our website.
The 3 outer pockets do not protect the contents from the rain.
What’s been the feedback from the PCT testers?
"880 g over 150 days, a true love story!
The "mystery bag", as it’s been nicknamed, has created a sensation on American trails! It may look like its competitors at first sight, yet it’s the only one that has a mesh back, making it a featherweight.
For me, who often has back pain, it was essential to have a comfortable bag. And it’s really paid off!".
Check out this bag’s adventures on Instagram @extremo_pazzo
Ornella GIGLIO & Maxence HAMY
Forclaz and Simond trekking backpacks: 10-year warranty
At Decathlon, our Forclaz and Simond trekking backpacks are guaranteed for 10 years, excluding normal product wear. In case of defects, we offer repairs, replacement or a refund. The guarantee covers components from the zip to the seams - more information on our website.
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