Please enter your email address and we’ll send you a link to reset your password right away.

Your VIP area awaits in the APP

Apple Store Google Play

Log in to the app to manage your account, orders, and exclusive benefits.

Order tracking

Order tracking

Personalized notifications

Personalized notifications

Exclusive offers

Exclusive offers

Staying signed in lets you shop faster, check your orders, and access your favorites without signing in again.

Stay signed in
Log out
top

Sold and shipped by

sales

Free shipping

Return of order

Homepage
Back to PC configurator
Deuter

Deuter Fox 40L backpack

Price without code 117.99

RRP:

You save:

Price without subscription

VAT & duties included

1 Reviews

|

12 Questions

No extra charges at delivery.

What is my size?

What is my size?

My virtual fitting room

My virtual fitting room

The delivery date gives you an indication of how long it will take to receive the item. It´s based on the preparation time, the delivery service selected on the Shopping Basket page and when we receive cleared payment.

Single purchase

Add to my pack 

You save:

Buy now in 1 click
Back to PC configurator

Buy this product and earn

Color:

Free shipping

dto_trans discount on shipping

Free assembly

Free removal of old appliance (only with Ader)

Your interest-free financing from with Klarna Paypal

Pay in 3, 4, 6 or up to 12 installments

My virtual fitting room

Other colors available

left
right

Perfect pairings

left
right

Reportar error

Trusted by over 25 million satisfied customers worldwide

Official brand warranty

Quick & easy 30-day return

Features of Deuter Fox 40L

Product description of Deuter Fox 40L backpack

Description summary

The Deuter Fox 40L is a redesigned trekking backpack for kids and teens, offering adult-level technical design and functionality scaled for young adventurers. Featuring an adjustable Vari-Quick back system, it grows with them, ensuring comfort on longer trips. Its design includes pull-forward hip fins, stabilizer straps, a hydration system compatibility, and plenty of pockets for gear organization. Built with durable yet lightweight Deuter Super Polytex and recycled materials, it´s ready for any adventure

Our Fox, the trekking backpack for kids and teens, has been redesigned and offers the same technical design and the same high functionality as the backpacks for the ´´bigs´´, simply fully customized for kids.

The Fox grows with the Vari-Quick back length system for longer fun on the adventure backpack.

FEATURES.

VariQuick back length adjustment.

Pull-forward hip fins.

Compact hip fins.

Stabilizer straps.

2-way adjustable sternum strap.

SOS label.

Pole attachment.

Lid compartment.

Main compartment with zip-out divider.

Compatible with 3.0 liter drinking system/bag.

Elasticated inner compartment for storing wet/sweaty clothing, water reservoir, etc.

Compression straps.

Hip fin with loops.

Material loops on front & lid.

Stretch side pockets.

S-shaped shoulder straps wrap around children´s shoulders with Soft-Edge finish.

Zippered bellows pocket.

Aircontact back system.

- 600D PES.

Woven from 600 denier polyester yarn and with a thick PU coating, this tear resistant and light fabric is highly versatile.

Whenever it´s about keeping the weight of the backpack as low as possible with moderate stress, then this is the ideal solution.

The ´´deuter Super Polytex BS´´ version is produced in compliance with the stringent bluesign® standard.

Its features and stress factors are identical.

210D PA RECYCLED.

SUSTAINABLE:

50 % of the yarn is used from recycled raw materials.

The main material of the consists of bluesign® certified material.

D stands for Denier.

- a unit of measurement for yarn weight.

600D means that 9,000 meters of yarn weigh 600 grams.

The higher the value, the more robust (and often heavier) the material.

PES stands for Polyester.

Polyester fibers are highly tear- and abrasion-resistant, easy to care for, and absorb very little moisture.

PA stands for Polyamide (also known as nylon).

Polyamide fibers are especially durable, elastic, and lightweight.

- ideal for textiles subject to high stress.

REC stands for Recycled.

- the material is made entirely or partially from recycled resources.

BS stands for bluesign®-certified.

- the material has been produced in an environmentally friendly and sustainable way according to the bluesign® standard.


Specifications

Manual

Technical specifications of Deuter Fox 40L

  • Torso length

    Vari-Quick

  • Back panel ventilation

    Aircontact

  • Hydration system compatible

    Yes

  • Hip belt pockets

    Yes

  • Color

    Blue

  • Capacity

    0-10 L

  • Gender

    Men

  • Age

    Adult

  • Recommended Use

    Hiking

  • Recommended Use

    Mountaineering

  • Structure

    Internal frame

Features of Deuter Fox 40L

Color Blue

Color

Blue

Capacity 0-10 L

Capacity

0-10 L

Gender Men

Gender

Men

Age Adult

Age

Adult

Recommended Use Hiking

Recommended Use

Hiking

Mountaineering

Mountaineering

Structure Internal frame

Structure

Internal frame

Key differentiators

Constructed with durable 600D polyester and bluesign® certified 210D recycled polyamide for robust, eco-conscious use.

Features the Vari-Quick adjustable back system and Aircontact back panel for a customized, stable, and ventilated fit.

Offers advanced load stability through an internal frame, pull-forward hip fins, and stabilizer straps.

Provides versatile organization with a main compartment featuring a zip-out divider, a lid compartment, and multiple external pockets.

Technology in Deuter Fox 40L backpack

Energy rating

Warnings

/ 5

1 Reviews

What our customers are saying about Deuter Fox 40L backpack

Write a review about this product

Answer the question

Write your answer

The question has already been answered, thank you very much for trying to help another customer. We will count on you for future questions.

Include AI Generated questions and answers

2026-09-09

Generated by AI and verified

Deuter Fox 40L backpack

Is the Deuter Fox 40L backpack adjustable for a growing user?

Answer of Generated by AI and verified

Yes, this backpack is designed to grow with the user. It features the Vari-Quick back length adjustment system, which allows you to modify the torso length for a comfortable and proper fit over time.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Deuter Fox 40L backpack

What materials are used in the Deuter Fox 40L backpack?

Answer of Generated by AI and verified

It also incorporates 210D PA RECYCLED material, where 50% of the yarn comes from recycled raw materials.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Deuter Fox 40L backpack

Does this backpack have good ventilation?

Answer of Generated by AI and verified

Yes, the backpack is equipped with the Aircontact back system, which is designed to provide ventilation and enhance comfort during active use.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Deuter Fox 40L backpack

Is the Deuter Fox 40L backpack worth the investment for young adventurers?

Answer of Generated by AI and verified

The Deuter Fox 40L backpack offers advanced features like the Vari-Quick back system, making it a valuable investment for young adventurers seeking comfort and durability.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Deuter Fox 40L backpack

What is the volume of the Deuter Fox 40L backpack?

Answer of Generated by AI and verified

The Deuter Fox 40L backpack has a total volume of 40 liters, providing ample space for gear on trekking adventures.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Deuter Fox 40L backpack

Is the Deuter Fox 40L backpack compatible with a hydration system?

Answer of Generated by AI and verified

Yes, this backpack is compatible with hydration systems.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Deuter Fox 40L backpack

What features does this backpack have for organizing gear?

Answer of Generated by AI and verified

For organization, the Deuter Fox 40L includes a lid compartment, a main compartment with a zip-out divider, stretch side pockets, a zippered bellows pocket, and material loops on the front and lid. It also has an elasticated inner compartment for wet items.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Deuter Fox 40L backpack

What kind of support structure does the Deuter Fox 40L have?

Answer of Generated by AI and verified

This backpack is built with an internal frame for support. It also features compact, pull-forward hip fins and stabilizer straps to help distribute the load and maintain stability while hiking.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Deuter Fox 40L backpack

What is the material density of the Deuter Fox 40L backpack?

Answer of Generated by AI and verified

The Deuter Fox 40L backpack is constructed with a material density of 600D, offering durability and moderate weather resistance.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Deuter Fox 40L backpack

Is this backpack suitable for multi-day hiking trips?

Answer of Generated by AI and verified

Yes, with a 40-liter capacity, an adjustable back system, and features like hydration compatibility and multiple organizational pockets, the Deuter Fox 40L is well-suited for multi-day trekking and hiking trips for kids and teens.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Deuter Fox 40L backpack

Can I attach hiking poles to this backpack?

Answer of Generated by AI and verified

Yes, the Deuter Fox 40L is equipped with a dedicated pole attachment, allowing you to securely carry your hiking poles when they are not in use.

* Generated by AI based on customer and product data

2026-09-09

Generated by AI and verified

Deuter Fox 40L backpack

Is the Deuter Fox 40L backpack suitable for hiking?

Answer of Generated by AI and verified

Yes, the Deuter Fox 40L backpack is intended for hiking, featuring an internal frame and hydration system compatibility to support outdoor adventures.

* Generated by AI based on customer and product data

Ask a technical question about this product

Frequently bought together
Best sellers

Use cases

Multi-Day Backpacking Trips 90% Fit

With a 40L volume and a sophisticated suspension system, this backpack is engineered for carrying substantial loads over several days. The Vari-Quick adjustable back system and internal frame provide superior stability and load distribution for extended treks.

40 L volume,Vari-Quick adjustable torso length,Internal frame structure,Stabilizer straps

Technical Hiking & Scrambling 90% Fit

The pack's design promotes mobility and stability on challenging terrain. Compact, pull-forward hip fins and S-shaped shoulder straps ensure a secure, body-hugging fit, while the pole attachment keeps hands free for scrambling sections.

Compact hip fins,Pull-forward hip fins,S-shaped shoulder straps,Pole attachment

Warm-Weather Thru-Hiking 80% Fit

Engineered for high-exertion activities, this pack features the Aircontact back system for enhanced ventilation, helping to manage perspiration on long, warm days. Its hydration system compatibility ensures easy access to water, which is crucial for endurance.

Aircontact back panel ventilation,Hydration system compatible,600D PES material

Organized Backcountry Travel 85% Fit

This pack offers advanced organizational capabilities for serious hikers who need efficient access to their gear. Multiple dedicated storage options, including a lid compartment, zippered bellows pocket, and a main compartment with a zip-out divider, allow for meticulous packing.

Lid compartment,Zippered bellows pocket,Stretch side pockets,Main compartment with zip-out divider

Best for

Best for the Serious Hiker

This pack's adjustable Vari-Quick back system, internal frame, and Aircontact ventilation are engineered for superior stability and comfort during long-distance hiking.

Structure: Internal frame, Torso length: Vari-Quick, Back panel ventilation: Aircontact

Ideal for Performance-Driven Adventurers

With its hydration system compatibility, S-shaped shoulder straps, and multiple compartments, this backpack is built for organized, on-the-move performance.

Hydration system compatible: Yes

A Serious Upgrade for Dedicated Trekkers

Constructed from high-density 600D polyester with a PU coating and featuring compact hip fins, this pack offers the durability and load stability required for challenging terrain.

Benefits

FunctionalCarry Your Gear Comfortably and Securely

Experience enhanced stability and comfort, even with heavy loads. The internal frame, combined with the adjustable Vari-Quick back system and stabilizer straps, ensures optimal weight distribution for long hikes.

Structure: Internal frame

Torso length: Vari-Quick

FunctionalKeep Your Hiking Essentials Neatly Organized

Easily access and organize your gear with multiple storage options. This backpack features hip belt pockets and a generous 40 L volume, allowing you to keep everything you need within reach.

Hip belt pockets: Yes

Volume: 40 L

FunctionalStay Cool and Hydrated on the Trail

Designed to support an active outdoor lifestyle, this backpack helps you stay comfortable during strenuous activity. The Aircontact back panel provides ventilation, and its compatibility with hydration systems makes it easy to stay hydrated on the move.

Back panel ventilation: Aircontact

Hydration system compatible: Yes

Intended use: hiking

Ideal buyer profiles

The Developing Adventurer

This buyer is transitioning from shorter day hikes to multi-day treks and needs a reliable, adjustable backpack that can grow with their skills. They prioritize a comfortable fit, stable load-carrying, and good organization without needing the most advanced, specialized features.

The Deuter Fox 40 offers an excellent feature set for this user. The Vari-Quick adjustable back system allows them to dial in the fit for optimal comfort, while the internal frame, stabilizer straps, and compact hip fins ensure the 40L load remains stable on the trail. Multiple compartments, including a lid pocket and stretch side pockets, provide the organization needed for longer trips.

The Youth Expedition Leader

This individual leads or supervises youth groups on outdoor excursions and requires a durable, versatile, and safe backpack. They need a pack that is straightforward to use but offers robust support and features that promote preparedness, like hydration compatibility and an SOS label.

With its durable 600D polyester construction, this pack is built to handle regular use. The Vari-Quick system makes it highly adjustable for different torso lengths, a key feature when sharing or demonstrating gear. Its hydration system compatibility and integrated SOS label are practical features that align with the safety-conscious mindset of a group leader.

The Hiker

This hiker makes purchasing decisions based not only on performance but also on environmental impact. They look for gear from reputable brands that use recycled materials and adhere to sustainable manufacturing standards, ensuring their adventures have a lighter footprint.

This backpack aligns with their values by being made with 50% recycled yarn and bluesign® certified materials, which signifies a commitment to responsible production. The robust 600D polyester fabric also promises long-lasting durability, reducing the need for frequent replacement and further supporting a sustainable approach to outdoor gear.

Competitive features

When comparing the Deuter Fox 40L to other backpacks in our collection, its most significant distinction is its specialized design for younger users. Its standout feature is the adjustable Vari-Quick back system, designed to grow with the user, a characteristic not found in the fixed-size adult models.

Where it excels

The adjustable Vari-Quick back system is the primary advantage, allowing the backpack to be customized to a growing child or teen's torso length for extended comfort and usability over several years. With a 40-liter capacity, it offers significantly more storage space than the other listed backpacks, making it suitable for multi-day trips and carrying more gear. Features like pull-forward hip fins, stabilizer straps, and hydration system compatibility provide technical functionality typically found in adult trekking packs, but scaled for younger adventurers.

Consider alternatives if...

Verdict

The Deuter Fox 40L is a specialized trekking backpack designed for kids and teens. Its main strength is the adjustable back system that accommodates growth, making it a long-term investment for young adventurers. With a generous capacity and features inherited from adult models, it's an excellent choice for longer youth expeditions. However, it is not intended for adults, who would be better served by the smaller, fixed-size packs in this comparison.

Specs comparison

Favorite On Favorite Off
Favorite On Favorite Off
Favorite On Favorite Off
Favorite On Favorite Off
Favorite On Favorite Off
Materialpolyester-600recycled_materials, polyamide, polyesterrecycled_materials, polyamide, polyester, meshbreathable stretch fabric
Capacity0-10 L30 liters21-30 L21-30 L21-30 L0-10 L
Hydration CompatibleYesYesYesYesYesYes
Intended Usehikinghikinghikinghikinghikinghiking
Department NameLuggage & Bags-adultAdults-adult
Type Of Rucksack Backpack HoldallbackpackInternal framebackpackbackpackframelesstrail running backpack
Volume40 L30 L21 L24 L21 L9 L
Back PanelAircontactDeuter Contact Back SystemAircomfortAlpine Back SystemLite Back SystemYes
Material Density600D--210D REC PA / REC PES R/S140D REC PA RS-
Back Panel VentilationAircontactYesAircomfortAlpine Back SystemLite Back SystemYes
Hydration System CompatibleYesYesYesYesYesYes
Torso LengthVari-Quick38-54 cm---32-44 cm

Specs vs competitors

Favorite On Favorite Off
Favorite On Favorite Off
Favorite On Favorite Off
Favorite On Favorite Off
Favorite On Favorite Off
Materialpolyesternylonsynthetic-polyamide-
Capacity0-10 L34 L42 l32 l30 L24 L
Hydration CompatibleYesYesYesYesYesYes
Intended UsehikingHiking, Mountaineeringhikinghikinghikinghiking
Department NameLuggage & BagsLuggage & BagsLuggage & Bags > Backpacks-AdultsLuggage & Bags > Backpacks
Type Of Rucksack Backpack Holdallbackpack---backpackhiking backpack
Volume40 L34 L42 L32 L30 L24 L
Back PanelAircontact-Aeroflex 3D 2.0Aeroflex back systemCOMFORT-CONTACT back systemventilated mesh back
Material Density600D210D Robic Nylon Ripstop, 330D Robic Nylon Ripstop--210D-
Back Panel VentilationAircontact-Aeroflex 3D 2.0Aeroflex back systemYesYes
Hydration System CompatibleYesYesYesYesYesYes
Torso LengthVari-Quick-43 - 59 cm45 - 55 cm-Individually Adjustable
Similar alternatives to this product
Related products viewed by other shoppers
We think you might be interested in this

You might also be interested in

Tradeinn works with its own stock and with more than 2,000 suppliers connected daily. We update availability in real time to offer you the widest possible catalog, always at the best price. Some products may require additional delivery time depending on supplier availability.

Quick & easy 30-day return

Secure & safe shopping

100% Satisfaction Guaranteed

Always the best online price

Loading image
ai_chat

Have a question? We’ll help you right away.

You are interacting with a generative AI. By continuing, you accept the Legal Notice and confirm that you understand the Privacy Policy and Cookies Policy.

Chat

Have any questions?

Talk to an expert

WhatsApp

WhatsApp

+34 663 922 716
chat

Download our app

4.7

4.7 - +13K reviews

+13K reviews

Turn on notifications to instantly receive all the information about your orders!

Apple Store Google Play

Follow us on

Instagram trekkinn YouTube trekkinn Lab trekkinn

About Tradeinn cerrar menu

Our customers’ reviews

Shop with confidence cerrar menu

Customer service cerrar menu

Other shops cerrar menu

Sustainable delivery

Our triathlon club

Departments

Top Brands

cerrar menu

Paypal Visa Mastercard Apple Pay American Express Revolut Adyen VerySign Netrivals Confianza online Geotrust Security Payment Klarna
tradeinn

Copyright 2009 - 2026 by trekkinn. TRADEINN RETAIL SERVICES, S.L. CIF/VAT ES-B-17527524, C/ Pirineus, 9, 17460 Celrà (Girona), Spain. Terms & Conditions | Cookies policy | Privacy policy | Exercise the right of withdrawal | Legal notice | Privacy policy social networks | Internal information system