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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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Blue Ice Firecrest 38L Dark Slate Blue Ice Firecrest 38L Dark Slate
Blue Ice
Backpack Firecrest 38L Dark Slate

  • Recommended price

    £158.31

    -20%

    £126.63

-
Colour
  • Blue Ice Firecrest 38L Dark Slate
  • Blue Ice Firecrest 38L Red Clay
Size
  • S-M (42-48)
  • M-L (46-52)
Halloween
Millet Prolighter 38+10 Saphir Millet Backpack Prolighter 38+10 Saphir Keypoints
Millet
Backpack Prolighter 38+10 Saphir

  • Recommended price

    £175.91

    -30%

    £122.23
Colour
  • Millet Backpack Prolighter 38+10 Red Overview
  • Millet Prolighter 38+10 Saphir
Osprey Sirrus 36 Medium Grey Osprey Sirrus 36 Medium Grey
Osprey
Backpack Sirrus 36 Medium Grey

  • Recommended price

    £184.71

    -26%

    £136.31

-
Colour
  • Osprey Sirrus 36 Medium Grey
  • Osprey Sirrus 36 Purple Dusk
  • Osprey Sirrus 36 Sevres Blue
Osprey Sirrus 36 Purple Dusk Osprey Sirrus 36 Purple Dusk
Osprey
Backpack Sirrus 36 Purple Dusk

  • Recommended price

    £184.71

    -20%

    £147.75

-
Colour
  • Osprey Sirrus 36 Medium Grey
  • Osprey Sirrus 36 Purple Dusk
  • Osprey Sirrus 36 Sevres Blue
Osprey Sirrus 36 Sevres Blue Osprey Sirrus 36 Sevres Blue
Osprey
Backpack Sirrus 36 Sevres Blue

  • Recommended price

    £184.71

    -26%

    £136.31

-
Colour
  • Osprey Sirrus 36 Medium Grey
  • Osprey Sirrus 36 Purple Dusk
  • Osprey Sirrus 36 Sevres Blue
Osprey Backpack Tempest 44 Red Pampass Coal Grey Overview Osprey Backpack Tempest 44 Red Pampass Coal Grey Keypoints
Osprey
Backpack Tempest 44 Red Pampass Coal Grey

  • Recommended price

    £167.11

    -35%

    £108.15
Colour
  • Osprey Tempest 44 Black Coal Grey
  • Osprey Backpack Tempest 44 Red Pampass Coal Grey Overview
Size
  • M-L (40.5-50.5)
Deuter Aircontact Core 45+10 SL Graphite Deuter Aircontact Core 45+10 SL Graphite
Deuter
Backpack Aircontact Core 45+10 SL Graphite

  • Recommended price

    £246.31

    -21%

    £193.51

-
Colour
  • Deuter Aircontact Core 45+10 SL Graphite
  • Deuter Aircontact Core 45+10 SL Grove Ivy
Millet Prolighter 30+10 Women Saphir Millet Backpack Prolighter 30+10 Women Saphir Keypoints
Millet
Backpack Prolighter 30+10 Women Saphir

  • Recommended price

    £149.51

    -44%

    £82.63

The Millet Prolighter 30+10 Women Saphir backpack blends tailored fit, technical features and eco-conscious materials for ski touring, mountaineering or alpine hiking adventures.
Colour
  • Millet Prolighter 30+10 Women Saphir
ATOMIC Bent
Millet Backpack Prolighter 38+10 Red Overview Millet Backpack Prolighter 38+10 Red Keypoints
Millet
Backpack Prolighter 38+10 Red

  • Recommended price

    £175.91

    -32%

    £119.59
Colour
  • Millet Backpack Prolighter 38+10 Red Overview
  • Millet Prolighter 38+10 Saphir
Ferrino Finisterre 40 Blue Ferrino Finisterre 40 Blue
Ferrino
Backpack Finisterre 40 Blue

  • Recommended price

    £140.71

    -20%

    £112.55

Ferrino's Finisterre 40 Blue backpack is perfect for two-day hikes. It combines functionality, comfort and eco-responsibility with its ergonomic design and recycled material.
Colour
  • Ferrino Finisterre 40 Blue
Pajak Xc3 Backpack 45L Silver Pajak Xc3 Backpack 45L Silver
Pajak
Backpack Xc3 Backpack 45L Silver

  • Recommended price

    £193.51

    -20%

    £154.79

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
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

  • Recommended price

    £246.31

    -21%

    £193.51

-
Colour
  • Deuter Aircontact Core 45+10 SL Graphite
  • Deuter Aircontact Core 45+10 SL Grove Ivy
RAB Exion 38 Anthracite Graphene RAB Exion 38 Anthracite Graphene
RAB
Backpack Exion 38 Anthracite Graphene

  • Recommended price

    £193.51

    -15%

    £164.47

The RAB Exion 38 Anthracite Graphene backpack combines comfort and functionality with its adjustable carrying system, multiple pockets and weather resistance.
Colour
  • RAB Exion 38 Anthracite Graphene
  • RAB Exion 38 Tempest Blue
Deuter Futura Pro 38 SL Ashrose Cassis Deuter Futura Pro 38 SL Ashrose Cassis
Deuter
Backpack Futura Pro 38 SL Ashrose Cassis

  • Recommended price

    £202.31

    -20%

    £160.95
Colour
  • Deuter Futura Pro 38 SL Ashrose Cassis
Ortovox Haute Route 40 Black Raven Ortovox Haute Route 40 Black Raven
Ortovox
Backpack Haute Route 40 Black Raven

  • Recommended price

    £175.91

    -20%

    £140.71

The Ortovox Haute Route 40 Desert Orange technical backpack is a practical way to take your equipment to the mountains. It is ideal for ski, snowboard and ski touring.

Colour
  • Ortovox Haute Route 40 Black Raven
  • Ortovox Haute Route 40 Faded Tangerine
Ortovox Haute Route 40 Faded Tangerine Ortovox Haute Route 40 Faded Tangerine
Ortovox
Backpack Haute Route 40 Faded Tangerine

  • Recommended price

    £175.91

    -20%

    £140.71

The Ortovox Haute Route 40 Desert Orange technical backpack is a practical way to take your equipment to the mountains. It is ideal for ski, snowboard and ski touring.

Colour
  • Ortovox Haute Route 40 Black Raven
  • Ortovox Haute Route 40 Faded Tangerine
Osprey Sirrus 44 Medium Gray Osprey Sirrus 44 Medium Gray
Osprey
Backpack Sirrus 44 Medium Gray

  • Recommended price

    £202.31

    -15%

    £171.51

-
Colour
  • Osprey Sirrus 44 Medium Gray
  • Osprey Sirrus 44 Sevres Blue
Osprey Sirrus 44 Sevres Blue Osprey Sirrus 44 Sevres Blue
Osprey
Backpack Sirrus 44 Sevres Blue

  • Recommended price

    £202.31

    -20%

    £160.95

-
Colour
  • Osprey Sirrus 44 Medium Gray
  • Osprey Sirrus 44 Sevres Blue
Ferrino Agile 45 Blue Ferrino Agile 45 Blue
Ferrino
Backpack Agile 45 Blue

  • Recommended price

    £140.71

    -20%

    £112.55

The Agile 45 Blue backpack from Ferrino offers optimal carrying comfort for two-day hiking thanks to its breathable back system.
Colour
  • Ferrino Agile 45 Blue
Deuter Aircontact Lite 40+10 Atlantic Ink Deuter Aircontact Lite 40+10 Atlantic Ink
Deuter
Backpack Aircontact Lite 40+10 Atlantic Ink

  • Recommended price

    £175.91

    -20%

    £140.71

-
Colour
  • Deuter Aircontact Lite 40+10 Atlantic Ink
  • Deuter Aircontact Lite 40+10 Black Graphite
Deuter Aircontact Lite 40+10 Black Graphite Deuter Aircontact Lite 40+10 Black Graphite
Deuter
Backpack Aircontact Lite 40+10 Black Graphite

  • Recommended price

    £175.91

    -20%

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

  • Recommended price

    £175.91

    -25%

    £131.91
Colour
  • RAB Airox 36 Black
Salewa Alp Mate 36 Dark Olive Salewa Alp Mate 36 Dark Olive
Salewa
Backpack Alp Mate 36 Dark Olive

  • Recommended price

    £114.31

    -30%

    £79.99

-
Colour
  • Salewa Alp Mate 36 Dark Olive
  • Salewa Alp Mate 36 Onyx
Salewa Alp Mate 36 Onyx Salewa Alp Mate 36 Onyx
Salewa
Backpack Alp Mate 36 Onyx

  • Recommended price

    £114.31

    -34%

    £74.71

-
Colour
  • Salewa Alp Mate 36 Dark Olive
  • Salewa Alp Mate 36 Onyx
Vaude Brenta 36+6 Agave Vaude Brenta 36+6 Agave
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
Vaude
Backpack Brenta 36+6 Baltic Sea

  • Recommended price

    £149.51

    -25%

    £111.67

-
Colour
  • Vaude Brenta 36+6 Agave
  • Vaude Brenta 36+6 Baltic Sea
Vaude Brenta 44+6 Black Vaude Brenta 44+6 Black
Vaude
Backpack Brenta 44+6 Black

  • Recommended price

    £158.31

    -25%

    £118.71
Colour
  • Vaude Brenta 44+6 Black
RAB Exion 38 Tempest Blue RAB Exion 38 Tempest Blue
RAB
Backpack Exion 38 Tempest Blue

  • Recommended price

    £193.51

    -15%

    £164.47
Colour
  • RAB Exion 38 Anthracite Graphene
  • RAB Exion 38 Tempest Blue

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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.