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40l hiking backpacks

A 40-litre hiking backpack represents a high-capacity option within the range of packs designed for trekking and hillwalking. This size allows you to carry substantial gear while maintaining a structure optimised for comfortable load carrying. It provides extra space to organise clothing, accessories, and equipment efficiently.

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Ferrino Finisterre 40 Green Ferrino Finisterre 40 Green Extra 5% off
Ferrino
Backpack Finisterre 40 Green

  • Recommended price

    £140.71

    -24%

    £106.39

Ferrino's Finisterre 40 Green backpack is the ideal companion for two-day hikes, combining comfort, functionality and a commitment to eco-responsibility.
Colour
  • Ferrino Finisterre 40 Blue
  • Ferrino Finisterre 40 Green
UYN
Mammut Lithium 40 Women Marine Black Mammut Lithium 40 Women Marine Black Extra 5% off
Mammut
Backpack Lithium 40 Women Marine Black

  • Recommended price

    £167.11

    -21%

    £131.91

With its generous 40-liter volume, the Mammu Lithium 40 Women Marine Black women's backpack is ready for the most demanding hikes and expeditions.

Colour
  • Mammut Lithium 40 Women Marine Black
Millet Prolighter 38+10 Saphir Millet Backpack Prolighter 38+10 Saphir Keypoints Extra 5% off
Millet
Backpack Prolighter 38+10 Saphir

  • Recommended price

    £175.91

    -25%

    £131.91
Colour
  • Millet Backpack Prolighter 38+10 Red Overview
  • Millet Prolighter 38+10 Saphir
Pajak Xc3 Backpack 45L Silver Pajak Xc3 Backpack 45L Silver
Pajak
Backpack Xc3 Backpack 45L Silver

  • Recommended price

    £193.51

    -10%

    £174.15

Pajak's Xc3 Backpack 45L Silver is ideal for two-day outings in the mountains, thanks to its 45-liter volume and lightweight, rugged design.
Colour
  • Pajak Xc3 Backpack 45L Silver
Ferrino Backpack Agile 45 Blue Overview Ferrino Backpack Agile 45 Blue Back Extra 5% off
Ferrino
Backpack Agile 45 Blue

  • Recommended price

    £140.71

    -25%

    £105.51

The Agile 45 Blue backpack from Ferrino offers optimal carrying comfort for two-day hiking thanks to its breathable back system.
Colour
  • Ferrino Backpack Agile 45 Blue Overview
Deuter Aircontact Core 45+10 SL Graphite Deuter Backpack Aircontact Core 45+10 SL Graphite Keypoints Extra 5% off
Deuter
Backpack Aircontact Core 45+10 SL Graphite

  • Recommended price

    £246.31

    -19%

    £197.91

-
Colour
  • Deuter Aircontact Core 45+10 SL Graphite
  • Deuter Aircontact Core 45+10 SL Grove Ivy
Deuter Aircontact Core 45+10 SL Grove Ivy Deuter Backpack Aircontact Core 45+10 SL Grove Ivy Keypoints Extra 5% off
Deuter
Backpack Aircontact Core 45+10 SL Grove Ivy

  • Recommended price

    £246.31

    -19%

    £197.91

-
Colour
  • Deuter Aircontact Core 45+10 SL Graphite
  • Deuter Aircontact Core 45+10 SL Grove Ivy
Vaude Backpack Asymmetric 42+8 Agave Overview Vaude Backpack Asymmetric 42+8 Agave Side Extra 5% off
Vaude
Backpack Asymmetric 42+8 Agave

  • Recommended price

    £175.91

    -28%

    £126.63
Colour
  • Vaude Backpack Asymmetric 42+8 Agave Overview
Dare2B
Vaude Brenta 36+6 Agave Vaude Brenta 36+6 Agave Extra 5% off
Vaude
Backpack Brenta 36+6 Agave

  • Recommended price

    £149.51

    -30%

    £104.63

-
Colour
  • Vaude Brenta 36+6 Agave
  • Vaude Brenta 36+6 Baltic Sea
Vaude Brenta 36+6 Baltic Sea Vaude Brenta 36+6 Baltic Sea Extra 5% off
Vaude
Backpack Brenta 36+6 Baltic Sea

  • Recommended price

    £149.51

    -27%

    £108.15

-
Colour
  • Vaude Brenta 36+6 Agave
  • Vaude Brenta 36+6 Baltic Sea
Picture Off Trax 30+10 Women Backpack Peppermint Picture Off Trax 30+10 Women Backpack Peppermint
Picture
Backpack Off Trax 30+10 Women Backpack Peppermint
  • £131.91
Colour
  • Picture Off Trax 30+10 Women Backpack Peppermint
Osprey Sirrus 36 Medium Grey Osprey Sirrus 36 Medium Grey Extra 5% off
Osprey
Backpack Sirrus 36 Medium Grey

  • Recommended price

    £184.71

    -19%

    £148.11

-
Colour
  • Osprey Sirrus 36 Medium Grey
  • Osprey Sirrus 36 Purple Dusk
Osprey Sirrus 36 Purple Dusk Osprey Sirrus 36 Purple Dusk Extra 5% off
Osprey
Backpack Sirrus 36 Purple Dusk

  • Recommended price

    £184.71

    -19%

    £148.11

-
Colour
  • Osprey Sirrus 36 Medium Grey
  • Osprey Sirrus 36 Purple Dusk
Osprey Sirrus 44 Medium Gray Osprey Sirrus 44 Medium Gray Extra 5% off
Osprey
Backpack Sirrus 44 Medium Gray

  • Recommended price

    £202.31

    -20%

    £161.42

-
Colour
  • Osprey Sirrus 44 Medium Gray
  • Osprey Sirrus 44 Sevres Blue
Osprey Stratos 36 Nirvana Blue Osprey Stratos 36 Nirvana Blue Extra 5% off
Osprey
Backpack Stratos 36 Nirvana Blue

  • Recommended price

    £184.71

    -19%

    £148.11

The Stratos 36 Nirvana Blue backpack from Osprey benefits from an adjustable AirSpeed back panel for optimum comfort on your hikes.
Colour
  • Osprey Stratos 36 Nirvana Blue
  • Osprey Stratos 36 Raven Black
Osprey Stratos 36 Raven Black Osprey Stratos 36 Raven Black Extra 5% off
Osprey
Backpack Stratos 36 Raven Black

  • Recommended price

    £184.71

    -19%

    £148.11

Osprey's Stratos 36 Raven Black backpack is perfect for hikers looking for comfort, lightness and practicality for multi-day trips.
Colour
  • Osprey Stratos 36 Nirvana Blue
  • Osprey Stratos 36 Raven Black
RAB Syclon Xp 38 Nd Black Dark Fig Green RAB Syclon Xp 38 Nd Black Dark Fig Green Extra 5% off
RAB
Backpack Syclon Xp 38 Nd Black Dark Fig Green

  • Recommended price

    £184.71

    -20%

    £147.75
Colour
  • RAB Syclon Xp 38 Nd Black Dark Fig Green
Deuter Aircontact Lite 40+10 Black Graphite Deuter Aircontact Lite 40+10 Black Graphite Extra 5% off
Deuter
Backpack Aircontact Lite 40+10 Black Graphite

  • Recommended price

    £175.91

    -20%

    £140.71
Colour
  • Deuter Aircontact Lite 40+10 Black Graphite
RAB Backpack Airox 36 Black Overview RAB Backpack Airox 36 Black Side
RAB
Backpack Airox 36 Black

  • Recommended price

    £175.91

    -25%

    £131.91
Colour
  • RAB Backpack Airox 36 Black Overview
Salewa Backpack Alp Mate 36 Dark Olive Overview Salewa Backpack Alp Mate 36 Dark Olive Back Extra 5% off
Salewa
Backpack Alp Mate 36 Dark Olive

  • Recommended price

    £114.31

    -26%

    £83.51

-
Colour
  • Salewa Backpack Alp Mate 36 Dark Olive Overview
  • Salewa Backpack Alp Mate 36 Onyx Overview
Salewa Backpack Alp Mate 36 Onyx Overview Salewa Backpack Alp Mate 36 Onyx Back Extra 5% off
Salewa
Backpack Alp Mate 36 Onyx

  • Recommended price

    £114.31

    -23%

    £87.91

-
Colour
  • Salewa Backpack Alp Mate 36 Dark Olive Overview
  • Salewa Backpack Alp Mate 36 Onyx Overview
Vaude Backpack Brenta 44+6 Black Overview Vaude Backpack Brenta 44+6 Black Side Extra 5% off
Vaude
Backpack Brenta 44+6 Black

  • Recommended price

    £158.31

    -27%

    £114.31
Colour
  • Vaude Backpack Brenta 44+6 Black Overview
RAB Backpack Exion 38 Anthracite Graphene Overview RAB Backpack Exion 38 Anthracite Graphene Back Extra 5% off
RAB
Backpack Exion 38 Anthracite Graphene

  • Recommended price

    £193.51

    -34%

    £126.63

The RAB Exion 38 Anthracite Graphene backpack combines comfort and functionality with its adjustable carrying system, multiple pockets and weather resistance.
Colour
  • RAB Backpack Exion 38 Anthracite Graphene Overview
  • RAB Backpack Exion 38 Tempest Blue Overview
RAB Backpack Exion 38 Tempest Blue Overview RAB Backpack Exion 38 Tempest Blue Side
RAB
Backpack Exion 38 Tempest Blue

  • Recommended price

    £193.51

    -20%

    £153.91
Colour
  • RAB Backpack Exion 38 Anthracite Graphene Overview
  • RAB Backpack Exion 38 Tempest Blue Overview
Picture Off Trax 30+10 Backpack Tobacco Picture Backpack Off Trax 30+10 Backpack Tobacco Keypoints
Picture
Backpack Off Trax 30+10 Backpack Tobacco

  • Recommended price

    £140.71

    -31%

    £96.71
Colour
  • Picture Off Trax 30+10 Backpack Black
  • Picture Off Trax 30+10 Backpack Tobacco
Millet Peuterey 45+10 Red Millet Backpack Peuterey 45+10 Red Keypoints Extra 5% off
Millet
Backpack Peuterey 45+10 Red

  • Recommended price

    £211.11

    -20%

    £168.87
Colour
  • Millet Backpack Peuterey 45+10 Dark Denim Overview
  • Millet Peuterey 45+10 Red
Millet Backpack Prolighter 38+10 Red Overview Millet Backpack Prolighter 38+10 Red Keypoints
Millet
Backpack Prolighter 38+10 Red

  • Recommended price

    £175.91

    -20%

    £140.71
Colour
  • Millet Backpack Prolighter 38+10 Red Overview
  • Millet Prolighter 38+10 Saphir

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Advantages of a 40-litre capacity

A 40-litre capacity offers extended volume, enabling you to carry more gear than a mid-sized pack. This storage volume promotes organised packing thanks to a generous main compartment complemented by secondary pockets and external attachment points.

This capacity allows you to pack:

  • additional layers
  • extra equipment
  • larger water or food supplies
  • technical accessories secured to the outside of the pack

Organisation and carrying comfort of a 40-litre pack

A 40L trekking backpack enables you to carry a moderate load in a stable and balanced way. The carrying systems feature structured back panels, ergonomic shoulder straps, and supportive hip belts to distribute the weight evenly between shoulders and hips.

The design of the carrying system is crucial. Most models include:

  • a structured hip belt
  • ergonomic shoulder straps
  • a reinforced or ventilated back panel
  • side compression straps
  • attachment points for external gear

An even distribution of the pack’s weight between shoulders and hips helps maintain load stability while ensuring comfortable carrying over long distances.

Other available capacities

If you’re looking for full autonomy for long-distance trekking, visit our dedicated page.

Also explore our full range in the hiking backpacks category, as well as our Guide to choosing a hiking backpack.

FAQ

How many kilos can a 40-litre backpack carry?

For hiking, a 40-litre backpack can typically carry between 8 and 15 kg, depending on the quality of the carrying system (frame, hip belt, back panel).

What are the dimensions of a 40L backpack?

For trekking, a 40-litre backpack generally measures between 55 and 65 cm in height, 28 to 32 cm in width, and 20 to 25 cm in depth. The most common size is around 60 × 30 × 22 cm. Dimensions may vary slightly depending on the design and carrying system.

Buy your mountain backpack at Glisshop

As a specialist in outdoor equipment, Glisshop offers a wide selection of rucksacks. Those dedicated to hiking are chosen for their practical design, genuine comfort, and reliability in the field. The expertise of our team ensures that we can recommend models suited to every type of user, with precise guidance to help you select the most appropriate capacity for your needs.