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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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Millet Peuterey 45+10 Dark Denim Millet Peuterey 45+10 Dark Denim FLASH DAYS
Millet
Backpack Peuterey 45+10 Dark Denim

  • Recommended price

    £211.11

    -15%

    £179.43
Colour
  • Millet Peuterey 45+10 Dark Denim
  • Millet Peuterey 45+10 Red
Picture Off Trax 30+10 Backpack Black Picture Backpack Off Trax 30+10 Backpack Black Keypoints FLASH DAYS
Picture
Backpack Off Trax 30+10 Backpack Black

  • Recommended price

    £140.71

    -30%

    £98.47

The Picture Off Trax 30+10 Backpack Black is a versatile, eco-friendly hiking backpack with an expandable 30-40 litre capacity, ergonomic design, and high-tech features for optimal outdoor adventures.
Colour
  • Picture Off Trax 30+10 Backpack Black
Millet Ubic 40L E-Black Millet Backpack Ubic 40L E-Black Keypoints FLASH DAYS
Millet
Backpack Ubic 40L E-Black

  • Recommended price

    £167.11

    -15%

    £140.71
Colour
  • Millet Ubic 40L E-Black Sand
  • Millet Ubic 40L E-Black
  • Millet Ubic 40L E-Dark Blue
Millet Ubic 40L E-Dark Blue Millet Backpack Ubic 40L E-Dark Blue Keypoints FLASH DAYS
Millet
Backpack Ubic 40L E-Dark Blue

  • Recommended price

    £167.11

    -15%

    £140.71
Colour
  • Millet Ubic 40L E-Black Sand
  • Millet Ubic 40L E-Black
  • Millet Ubic 40L E-Dark Blue
Osprey Tempest 44 Black Coal Grey Osprey Tempest 44 Black Coal Grey FLASH DAYS
Osprey
Backpack Tempest 44 Black Coal Grey

  • Recommended price

    £167.11

    -15%

    £140.71

The Osprey Tempest 44 Black Coal Grey is a women's hiking backpack with a 44L capacity, featuring optimal ventilation, balanced weight distribution, and environmentally-friendly, durable materials.
Colour
  • Osprey Tempest 44 Black Coal Grey
  • Osprey Backpack Tempest 44 Red Pampass Coal Grey Overview
Size
  • M-L (40.5-50.5)
Millet Ubic 40L E-Black Sand Millet Backpack Ubic 40L E-Black Sand Keypoints FLASH DAYS
Millet
Backpack Ubic 40L E-Black Sand

  • Recommended price

    £167.11

    -15%

    £140.71
Colour
  • Millet Ubic 40L E-Black Sand
  • Millet Ubic 40L E-Black
  • Millet Ubic 40L E-Dark Blue
Osprey Talon 44 Black Coal Grey Osprey Talon 44 Black Coal Grey FLASH DAYS
Osprey
Backpack Talon 44 Black Coal Grey

  • Recommended price

    £167.11

    -15%

    £140.71
Colour
  • Osprey Talon 44 Black Coal Grey
Size
  • S-M
  • L-XL
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Millet Ubic 40L Women E-Black Dark Blue Millet Ubic 40L Women E-Black Dark Blue FLASH DAYS
Millet
Backpack Ubic 40L Women E-Black Dark Blue

  • Recommended price

    £167.11

    -15%

    £140.71

-
Colour
  • Millet Ubic 40L Women E-Black Dark Blue
Vaude Women's Asymmetric 38+8 Dark Cherry Vaude Women's Asymmetric 38+8 Dark Cherry FLASH DAYS
Vaude
Backpack Women's Asymmetric 38+8 Dark Cherry

  • Recommended price

    £175.91

    -35%

    £114.31


Colour
  • Vaude Women's Asymmetric 38+8 Dark Cherry
  • Vaude Women's Asymmetric 38+8 Eclipse
Vaude Women's Asymmetric 38+8 Eclipse Vaude Women's Asymmetric 38+8 Eclipse FLASH DAYS
Vaude
Backpack Women's Asymmetric 38+8 Eclipse

  • Recommended price

    £175.91

    -40%

    £105.51


Colour
  • Vaude Women's Asymmetric 38+8 Dark Cherry
  • Vaude Women's Asymmetric 38+8 Eclipse
Deuter Futura Pro 36 Black Graphite Deuter Backpack Futura Pro 36 Black Graphite Keypoints FLASH DAYS
Deuter
Backpack Futura Pro 36 Black Graphite

  • Recommended price

    £184.71

    -35%

    £120.03
Colour
  • Deuter Futura Pro 36 Black Graphite
Ortovox Haute Route 38 S Black Steel Ortovox Haute Route 38 S Black Steel FLASH DAYS
Ortovox
Backpack Haute Route 38 S Black Steel

  • Recommended price

    £175.91

    -40%

    £105.51
Colour
  • Ortovox Haute Route 38 S Black Steel
Millet Prolighter 38+10 Saphir Millet Backpack Prolighter 38+10 Saphir Keypoints FLASH DAYS
Millet
Backpack Prolighter 38+10 Saphir

  • Recommended price

    £175.91

    -15%

    £149.51
Colour
  • Millet Backpack Prolighter 38+10 Red Overview
  • Millet Prolighter 38+10 Saphir
Osprey Backpack Tempest 44 Red Pampass Coal Grey Overview Osprey Backpack Tempest 44 Red Pampass Coal Grey Keypoints FLASH DAYS
Osprey
Backpack Tempest 44 Red Pampass Coal Grey

  • Recommended price

    £167.11

    -15%

    £140.71
Colour
  • Osprey Tempest 44 Black Coal Grey
  • Osprey Backpack Tempest 44 Red Pampass Coal Grey Overview
Size
  • M-L (40.5-50.5)
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Ortovox Haute Route 40 Black Raven Ortovox Haute Route 40 Black Raven New colour
Ortovox
Backpack Haute Route 40 Black Raven

  • Recommended price

    £175.91

    -10%

    £158.31

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 New colour
Ortovox
Backpack Haute Route 40 Faded Tangerine

  • Recommended price

    £175.91

    -10%

    £158.31

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
Deuter Futura Pro 38 SL Black Graphite Deuter Futura Pro 38 SL Black Graphite FLASH DAYS
Deuter
Backpack Futura Pro 38 SL Black Graphite

  • Recommended price

    £193.51

    -40%

    £116.07
Colour
  • Deuter Futura Pro 38 SL Black Graphite
Millet Prolighter 30+10 Women Saphir Millet Backpack Prolighter 30+10 Women Saphir Keypoints FLASH DAYS
Millet
Backpack Prolighter 30+10 Women Saphir

  • Recommended price

    £149.51

    -14%

    £127.51

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
Millet Backpack Prolighter 38+10 Red Overview Millet Backpack Prolighter 38+10 Red Keypoints FLASH DAYS
Millet
Backpack Prolighter 38+10 Red

  • Recommended price

    £175.91

    -15%

    £149.51
Colour
  • Millet Backpack Prolighter 38+10 Red Overview
  • Millet Prolighter 38+10 Saphir
Ferrino Finisterre 40 Blue Ferrino Finisterre 40 Blue FLASH DAYS
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
  • Ferrino Finisterre 40 Green
Ferrino Finisterre 40 Green Ferrino Finisterre 40 Green FLASH DAYS
Ferrino
Backpack Finisterre 40 Green

  • Recommended price

    £140.71

    -20%

    £112.55

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
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ARE FULLY
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Deuter Aircontact Core 45+10 SL Graphite Deuter Aircontact Core 45+10 SL Graphite FLASH DAYS
Deuter
Backpack Aircontact Core 45+10 SL Graphite

  • Recommended price

    £246.31

    -25%

    £184.71

-
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 Aircontact Core 45+10 SL Grove Ivy FLASH DAYS
Deuter
Backpack Aircontact Core 45+10 SL Grove Ivy

  • Recommended price

    £246.31

    -25%

    £184.71

-
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 FLASH DAYS
RAB
Backpack Exion 38 Anthracite Graphene

  • Recommended price

    £193.51

    -30%

    £135.43

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
RAB Exion 45 Nd Anthracite Graphene RAB Exion 45 Nd Anthracite Graphene FLASH DAYS
RAB
Backpack Exion 45 Nd Anthracite Graphene

  • Recommended price

    £211.11

    -30%

    £147.75
Colour
  • RAB Exion 45 Nd Anthracite Graphene
  • RAB Exion 45 Nd Mulberry
Osprey Stratos 36 Raven Black Osprey Stratos 36 Raven Black FLASH DAYS
Osprey
Backpack Stratos 36 Raven Black

  • Recommended price

    £184.71

    -16%

    £153.91

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
Ferrino Agile 45 Blue Ferrino Agile 45 Blue FLASH DAYS
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

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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.