What is Symbium technology?

Symbium technology is all about optimising the structure of the waist belt and shoulder straps. This prevents the backpack from swinging around, which wears out the trekker.

How was this 70 L trekking bag made?

The Symbium trekking bag is built to withstand over time:

- Robust main fabric, also added to the side pockets and the most prone to wear.

- The assembly of the various parts of this bag has been tested to withstand high tension, particularly when it is filled, or to be manipulated repeatedly.

- Redesigned zip thickness to improve strength and robustness.

- Repairable bag: spare parts available.

What are the advantages of the wooden structure on this trekking backpack?

The construction of these wooden bars is stronger than traditional aluminium bars. They are resistant to moisture thanks to an external varnish.

Is this trekking bag repairable?

The MT900 Symbium bag is ultra-robust but will not last forever. That is why we have developed a range of spare parts to make it last for longer:

- Shoulder straps

- Waist belt

- Waist belt's foam pad

- Elastic bands

- Buckles

- Rain cover

Find all the information in the after-sales support section (bottom of the page).

What are the dimensions of this 70 L trekking backpack?

Height : 77 cm

Width: 48 cm

Depth: 38 cm

How long is the back and what is the circumference of the waist belt on this trekking backpack?

Back length (in centimetres and inches):

- Minimum: 35 cm / 14 in

-Maximum: 54 cm / 21 in



To determine your back length, measure the distance between the two following points:

- Your 7th cervical vertebra: the one at the base of your neck, which arches when you tilt your head downwards.

- Your iliac crest: top of your hip



Belt circumference:

- Minimum: 72.9 cm / 29 in

-Maximum: 136 cm / 54 in