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The Brize is a fully-featured trekking and travel pack featuring some of the toughest fabrics available on a rucksack, a comfortable Aeroform backpanel and a host of useful pockets and storage options.
The Brize is a fully-featured trekking and travel pack featuring some of the toughest fabrics available on a rucksack, a comfortable Aeroform backpanel and a host of useful pockets and storage options.

Arcteryx Brize 25 Backpack Ladon

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Estimated Delivery & Collection Dates

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The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

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Arcteryx Brize 25 Backpack Ladon Information

Season : 2021S A

Brand : Arcteryx

Code : 18794-LAD-REG

What is the Brize 25?

Arc'teryx has always made outstanding... well, everything, but in this case their packs. The Brize is a fully-featured trekking and travel pack featuring some of the toughest fabrics available on a rucksack, a comfortable and hydrophobic Aeroform backpanel and a massive range of useful pockets and storage options.

What is the brize made of?

The Brize is made primarily from a super tough 420D Nylon fabric that is not only exceptionally tough but offers excellent abrasion and weather resistance. This fabric is backed up by a 630D nylon in the base to deal with regular abuse. Despite the bombproof nature of this bag, it doesn't feel all stiff and heavy like old canvas bags; all-in-all it only weighs 905g!

Which backsystem does it use?

The Brize includes a multitude of design tweaks that make it a brilliant walking, trekking and travel bag capable of carrying a heavy load efficiently and comfortably. This starts with their Aeroform back panel; a hydrophobic (water-resistant) thermoformed panel which is designed to increase airflow, breathability, comfort and to allow the weight to sit close to your back without digging in. The padded shoulder straps increase the comfort even further and the sternum strap keeps the shoulder straps in place. Lastly, there's a non-weight-bearing waist strap which stops the pack swinging about when navigating technical terrain.

What are the features?

Moving to the front of the pack, dual daisy chains with SwiftClip bungee straps (elastic loops with drawcords, in English) allow you to fasten walking poles and other bits of equipment to the front of the pack. Underneath this, either side there are two side pockets designed to carry water bottles if you're not a hydration bladder kind of person. Two more pockets in the top-loading lid store small items such as a compass or snacks, while an internal security pocket is useful for a wallet or keys while travelling. Lastly, a sleeve inside the pack houses a hydration bladder with a tube passage that allows you to thread it through the pack and down the straps.
  • Super-tough 420D/630D fabrics
  • Hydration compatible
  • Daisy chain bungee straps hold walking poles and equipment
  • Quick access side pockets
  • Zipped pocket in the front
  • Two pockets in the lid
  • One security pocket
  • Compression straps
  • Padded shoulder straps
  • Hydrophobic back panel

Getting the correct fit for your rucksack is as important as getting the fit right for your boots. A badly fitting pack can inflict misery and discomfort and completely ruin your adventure. This guide is designed to help you get the best fit and comfort from your chosen pack so that carrying all your kit becomes a pleasure and not a chore.


If the pack has an adjustable back length, adjust this to your correct level. Your back length is not related to your height but your torso length. Many packs, and specifically the bigger and more technical packs are available in different back lengths or feature adjustable back systems. Contrary to popular belief, your torso length and not your overall height is the key to getting a well fitted pack. Tall people don’t necessarily have long torsos, just as shorter people don’t always have a short torso length.

Your torso length can be found by measuring from your C7 vertebra (the bony protrusion at the back of your neck when looking down) to the height of your iliac crest (top of your hip bones, where you put your hands on your hips). This measurement will give you an idea of which pack back length to choose.

Once you've got the back length sorted, either by selecting the correct size pack or adjusting the back system, you can begin to follow these simple steps to help achieve a comfortable carry.


Before you start fitting the pack, loosen off all the straps as this will make it easier to get the correct tension later.


Fasten the backpack hipbelt, the general position is the same as where you’d put your ‘hands on hips’ This area is called the pelvic girdle, and what you can feel when you rest your hand on the area is the bony protuberance, the iliac crest. The iliac crest can support the weight from a pack comfortably, and for sustained periods. The padded section of the hipbelt should encompass this and fit securely.

Tighten the straps so the hipbelt feels secure and held firmly around your body. Ensure that the lumbar pad is centered to your lower back to give you maximum support. Remember that your hips carry most of the weight of the pack, so this should be firm but comfortable.


Next, adjust the shoulder straps, pull them until they start to become snug, but ensure that they are not too tight as to lift the pack off your hips. Remember tightening them will stabilise the pack but will increase pressure over the shoulders. If the back length of the pack is correct the shoulder straps will be flush to your shoulders whilst the hipbelt sits in place comfortably. The point where the shoulder straps attach to the main body of the pack should be roughly half way down your shoulder blades; this ensures  that the shoulder straps rolls evenly over the top of your shoulders to distribute the weight correctly.


Fasten the chest strap and pull until taut but not tight, the elastic section should not be extended. This helps keep the shoulder straps from catching in your shoulder joints and keeps the stability of the pack when moving over rough ground.


Top tensioner straps link the shoulder straps to the top of the pack. When tightened, their main function is to stabilise the top part of the pack. The optimum angle for these straps in 45º, but they will stabilise the load even when horizontal or at a more obtuse angle. Tighten them until you feel the top part of the pack rest against your pack, over tightening them will create excessive pressure on the front of your shoulders.


Side tension straps are linked to the hipbelt. By tightening these straps you can stabilise the load but reduce the hipbelt flexibility. Where balance is critical tightening them can help you feel more secure. However, if you are striding out over easy terrain it’s better to loosen these straps to allow full hip flexibility.


Side compression straps come next, pulling these tight does two things: firstly, it stabilises the load, secondly it can lift the lower part of the pack, repositioning the load closer to your back.


Following these steps should give you a comfortable but secure fit on your pack. Sometimes adjustments will need to be made on the go depending on the terrain or the load you are carrying. The perfect fit is very much a personal preference so experiment with different tensions on the pack to find what suits you best.

Technical Information
Weight: 905g
Fabrics: N420p-HT nylon 6.6 plain weave/N630p-HT nylon 6.6 plain weave (base)
Volume: 25 litres
Sizing Information

Arc'teryx Men's Bag Sizing Information

Sizing refers to your back measurements, not the size of the product.

Bag Size
Your Back MeasurementShortShort-RegularRegularRegular-TallTall
Bag Size
Your Back MeasurementShortShort-RegularRegularRegular-TallTall
35.5 cm
38 cm
40.5 cm
43 cm
45.7 cm
48 cm
51 cm
53 cm
55.5 cm
58.5 cm

Measure along the spine between the 7th cervical vertebra and the level of the hip iliac crest


Compare this measurement to the Sizing Charts


It is possible to interchange different size shoulder strap and hipbelt components on many Arc'teryx Packs, but this will not change or affect the back-length of the pack.

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