Réf :
Key feature
A 20-L hiking backpack that is simple, lightweight and very practical for short day hikes. It helps you to carry what is essential. Your partner in crime on all your nature outings.
Users reviews
4.59 / 5 1856 ratings

4 colors

Users reviews

4.59 / 5 1856 ratings
1788 users recommended this product

  • Woman
    30-39 years old
    22 January 2018
    Use since 1 week or less
    That review has been deposited on this product version
    Surprised it's 20L

    I'm genuinely surprised it's 20L looks on the small size. Had it been for me, I'd have probably returned it but as it's for my children I'm ok with the size

  • Man
    30-39 years old
    24 November 2017
    Use since 3 to 6 months
    That review has been deposited on this product version
    Poor zip closure design

    I have the same issue as the other reviews, the fabric surrounding the zip is just the right size to get stuck in the zip. After persevering with the bag for a while, the zip got caught and I couldn't not separate it. The zip came apart trying to separate it.

    Brand's answer :

    Good evening Nicholas,

    I am sorry to hear that you've had issues with the zip on the Arpenaz 20 litre rucksack. All our Quechua rucksacks come with a 10 year warranty so if you can get to your local store, they should be able to have a look at it for you and have a solution for you.

    Christopher Penn | UK Product Trainer

  • Woman
    30-39 years old
    20 October 2017
    Use since 2 to 8 weeks
    That review has been deposited on this product version
    Awful zips, now broken :(

    I bought two of these for my children to use as their school bags. They have been in use for just over a month. The tab of fabric which overlaps the zip gets caught in the zip on a daily basis, resulting in one of the zips coming apart trying to release the blockage. I've never known any bags to have such a major problem with the zips. If it didn't involve a ferry journey to get to my nearest store I would have returned both bags! Very disappointed.
    I have other Decathlon rucksacks which are great.

    Brand's answer :

    Hi Kirsty,

    I am sorry to hear about your experience with the Arpenaz 20L Backpack. All of our backpacks are tested rigorously which is why they have a 10 year warranty. Please review this video if you want more information on our testing process: https://www.youtube.com/watch?v=4qAjYs7qCX0. Since your fault is covered by the warranty you are entitled to a full refund or an exchange. I understand that your nearest Decathlon store is a long journey away so I suggest that you return your faulty product by post by following these instructions: https://www.decathlon.co.uk/return-order-by-post.html.

    Alec Stratton-Lake | UK Product Trainer

User benefits

Volume: 21 l/Weight: 340 g / Size: H 48 cm L 24 cm; D 14 cm.
Carrying comfort
Foam-filled back and straps. Thumb loops. Chest strap. Belt.
Simple back and straps without ventilation system.
Multiple compartments
Pockets: 1 outer, 2 mesh side pockets.
Abrasion resistance
10-year warranty.
Environmental impact
Life cycle comparison: Backpack - sustainability.decathlon.com

Technical card

Main fabric : 100.0% Polyester (PES) Lining : 100.0% Polyester (PES)
All our models are tested by users representative of our target market in conditions identical to those you encounter yourself when using them. We believe that carrying out 'real-life' testing is the only way to design and continuously advance the technical relevance and design of all our Quechua products.
Designed to
Hikers who love hiking by the sea, in the countryside, in the forest and in low-altitude-mountains.
10 years


Care instructions
To ensure materials retain their properties (especially waterproofing), we recommend you do not machine wash, tumble dry, dry-clean, or bleach your backpack. Do not iron. To clean your backpack by hand, use warm soapy water and a brush if needed. After a few years of use, you should renew the water repellent properties of the fabric using a waterproofing spray.
Storage Tips
Store the backpack in a dry place.
Restricted use
Not waterproof; protect your belongings in case of rain.


Field test
All our backpacks are tested in the field by users who represent the target market in conditions identical to those found in typical use. Our Missions Tests link the product manager up with people who are not affiliated to Quechua to test, develop and approve the products.
Laboratory Testing
We carry out laboratory tests to validate all component parts: fabric, buckles, straps, foam and zips. For example, for fabric: resistance to wear, tearing, colour-fastness under UV rays, washing, waterproofing. A final test on the finished product simulates the kind of treatment to which it will be subjected over several years, to assess the strength of the assembly: the backpack is weighted then placed on a dummy which then reproduces the movement of fast walking over thousands of cycles.
10-year guarantee, technical partnership
The heavy stitching research and development department, Quechua's partner for researching and testing its components and assemblies, conducted tests simulating backpack ageing. The tests focused on components, seams and the end product. As a result of these tests, Quechua can guarantee all bags tested for a period of 10 years from the date of purchase indicated on the sales receipt.
10-year guarantee, conditions
The guarantee covers any backpack faults, except those caused by normal wear and tear and improper use. This special 10-year guarantee will only be granted upon presentation of the product and the sales receipt. If the product is covered by the warranty, it will be repaired or exchanged for free. This commercial guarantee does not affect any statutory guarantees that are applicable in the country of purchase.
How is backpack volume measured?
The volume of each backpack is measured using a standardised method: we fill the main compartment as well as each pocket with little balls. Then we empty these balls into a graduated container, which gives the equivalent volume in litres.
How to adjust your backpack?
1 - Loosen all the straps (straps, hip belt, load adjuster straps). 2 - Put the backpack on. 3 - For backpacks with a capacity of 50 L or more, place the hip belt correctly (it should sit over the pelvis) and tighten it. For smaller backpacks, the belt should be placed around the waist. 4 -Tighten the shoulder straps. 5 - Adjust the load adjuster straps as needed.
How to pack a backpack?
Put your bedding at the bottom. Place heavy gear (tent, camp stove, food) near your back. Pack your clothes around these items. The groundsheet should be placed under the flap and the tent beneath the pack if there is no space inside. Keep a rainproof jacket and fleece close at hand. Place small items for daily use (sun cream, map, goggles etc.) in the pockets. If carrying a hydration pack (water bladder), this should be placed in its special pocket along the back.
Environmental measures
The environmental impact of the product is calculated over the entire lifecycle of the product using different indicators. An overall rating of ABCDE is provided to help you easily identify products with the best environmental performance by comparing products of the same type with each other (t-shirts, trousers and backpacks). Decathlon is a voluntary actor in this environmental labellling process. For further information: http://sustainability.decathlon.com/

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