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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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Ortovox Backpack Traverse 40 Black Raven Overview Ortovox Backpack Traverse 40 Black Raven Side Extra 5% off
Ortovox
Backpack Traverse 40 Black Raven

  • Recommended price

    £167.11

    -20%

    £133.67
Colour
  • Ortovox Backpack Traverse 40 Black Raven Overview
  • Ortovox Backpack Traverse 40 Dark Arctic Grey Overview
  • Ortovox Backpack Traverse 40 Hot Orange Overview
Picture Off Trax 30+10 Backpack Black Picture Off Trax 30+10 Backpack Black
Picture
Backpack Off Trax 30+10 Backpack Black
  • £140.71

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
  • Picture Backpack Off Trax 30+10 Backpack Tobacco Overview
Millet Ubic 40L E-Black Millet Ubic 40L E-Black
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-Black Sand Millet Ubic 40L E-Black Sand
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
Millet Ubic 40L E-Dark Blue Millet Ubic 40L E-Dark Blue
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 Backpack Talon 44 Black Coal Grey Overview Osprey Backpack Talon 44 Black Coal Grey Back Extra 5% off
Osprey
Backpack Talon 44 Black Coal Grey

  • Recommended price

    £167.11

    -15%

    £141.59
Colour
  • Osprey Backpack Talon 44 Black Coal Grey Overview
Size
  • S-M
  • L-XL
Ortovox Backpack Traverse 40 Hot Orange Overview Ortovox Backpack Traverse 40 Hot Orange Side Extra 5% off
Ortovox
Backpack Traverse 40 Hot Orange

  • Recommended price

    £167.11

    -25%

    £124.87
Colour
  • Ortovox Backpack Traverse 40 Black Raven Overview
  • Ortovox Backpack Traverse 40 Dark Arctic Grey Overview
  • Ortovox Backpack Traverse 40 Hot Orange Overview
OutdoorDays
Osprey Backpack Tempest 44 Black Coal Grey Overview Osprey Backpack Tempest 44 Black Coal Grey Back Extra 5% off
Osprey
Backpack Tempest 44 Black Coal Grey

  • Recommended price

    £167.11

    -15%

    £141.59

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 Backpack Tempest 44 Black Coal Grey Overview
Size
  • M-L
Mammut Lithium 40 Black Mammut Lithium 40 Black Extra 5% off
Mammut
Backpack Lithium 40 Black

  • Recommended price

    £167.11

    -24%

    £125.75

-
Colour
  • Mammut Lithium 40 Black
Millet Seneca Air 40 Black Millet Seneca Air 40 Black
Millet
Backpack Seneca Air 40 Black

  • Recommended price

    £202.31

    -25%

    £151.27
Colour
  • Millet Seneca Air 40 Black
Millet Ubic 40L Women E-Black Dark Blue Millet Ubic 40L Women E-Black Dark Blue Extra 5% off
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 Backpack Women's Asymmetric 38+8 Eclipse Overview Vaude Backpack Women's Asymmetric 38+8 Eclipse Back Extra 5% off
Vaude
Backpack Women's Asymmetric 38+8 Eclipse

  • Recommended price

    £175.91

    -25%

    £131.91


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  • Vaude Backpack Women's Asymmetric 38+8 Eclipse Overview
Deuter Backpack Futura Pro 40 Black Graphite Overview Deuter Backpack Futura Pro 40 Black Graphite Side
Deuter
Backpack Futura Pro 40 Black Graphite

  • Recommended price

    £193.51

    -35%

    £125.75

-
Colour
  • Deuter Backpack Futura Pro 40 Black Graphite Overview
Osprey Sirrus 36 Purple Dusk Osprey Sirrus 36 Purple Dusk Extra 5% off
Osprey
Backpack Sirrus 36 Purple Dusk

  • Recommended price

    £184.71

    -15%

    £156.55

-
Colour
  • Osprey Sirrus 36 Medium Grey
  • Osprey Sirrus 36 Purple Dusk
  • Osprey Backpack Sirrus 36 Succulent Green Overview
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Ortovox Backpack Traverse 40 Dark Arctic Grey Overview Ortovox Backpack Traverse 40 Dark Arctic Grey Side Extra 5% off
Ortovox
Backpack Traverse 40 Dark Arctic Grey

  • Recommended price

    £167.11

    -25%

    £124.87
Colour
  • Ortovox Backpack Traverse 40 Black Raven Overview
  • Ortovox Backpack Traverse 40 Dark Arctic Grey Overview
  • Ortovox Backpack Traverse 40 Hot Orange Overview
Ortovox Backpack Traverse 38 S Wild Berry Overview Ortovox Backpack Traverse 38 S Wild Berry Side Extra 5% off
Ortovox
Backpack Traverse 38 S Wild Berry

  • Recommended price

    £167.11

    -20%

    £133.67
Colour
  • Ortovox Backpack Traverse 38 S Dark Arctic Grey Overview
  • Ortovox Backpack Traverse 38 S Wild Berry Overview
Osprey Sirrus 36 Medium Grey Osprey Sirrus 36 Medium Grey Extra 5% off
Osprey
Backpack Sirrus 36 Medium Grey

  • Recommended price

    £184.71

    -15%

    £156.55

-
Colour
  • Osprey Sirrus 36 Medium Grey
  • Osprey Sirrus 36 Purple Dusk
  • Osprey Backpack Sirrus 36 Succulent Green Overview
Deuter Backpack Futura Pro 36 Atlantic Ink Overview Deuter Backpack Futura Pro 36 Atlantic Ink Back
Deuter
Backpack Futura Pro 36 Atlantic Ink

  • Recommended price

    £184.71

    -35%

    £118.71
Colour
  • Deuter Backpack Futura Pro 36 Atlantic Ink Overview
Deuter Backpack Futura Pro 38 SL Black Graphite Overview Deuter Backpack Futura Pro 38 SL Black Graphite Back
Deuter
Backpack Futura Pro 38 SL Black Graphite

  • Recommended price

    £193.51

    -35%

    £125.75
Colour
  • Deuter Backpack Futura Pro 38 SL Black Graphite Overview
Ortovox Haute Route 38 S Black Steel Ortovox Haute Route 38 S Black Steel Extra 5% off
Ortovox
Backpack Haute Route 38 S Black Steel

  • Recommended price

    £175.91

    -35%

    £114.31
Colour
  • Ortovox Haute Route 38 S Black Steel
Blue Ice Firecrest 38L Dark Slate Blue Ice Firecrest 38L Dark Slate
Blue Ice
Backpack Firecrest 38L Dark Slate

  • Recommended price

    £158.31

    -22%

    £123.11

-
Colour
  • Blue Ice Firecrest 38L Dark Slate
  • Blue Ice Backpack Firecrest 38L Red Clay Overview
Size
  • M-L (46-52)
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Blue Ice Backpack Firecrest 38L Red Clay Overview Blue Ice Backpack Firecrest 38L Red Clay Back
Blue Ice
Backpack Firecrest 38L Red Clay

  • Recommended price

    £158.31

    -20%

    £126.63

-
Colour
  • Blue Ice Firecrest 38L Dark Slate
  • Blue Ice Backpack Firecrest 38L Red Clay Overview
Size
  • M-L (46-52)
Millet Prolighter 38+10 Saphir Millet Prolighter 38+10 Saphir Extra 5% off
Millet
Backpack Prolighter 38+10 Saphir

  • Recommended price

    £175.91

    -25%

    £131.91
Colour
  • Millet Prolighter 38+10 Red
  • Millet Prolighter 38+10 Saphir
Osprey Backpack Sirrus 36 Succulent Green Overview Osprey Backpack Sirrus 36 Succulent Green Back Extra 5% off
Osprey
Backpack Sirrus 36 Succulent Green

  • Recommended price

    £175.91

    -20%

    £140.71

-
Colour
  • Osprey Sirrus 36 Medium Grey
  • Osprey Sirrus 36 Purple Dusk
  • Osprey Backpack Sirrus 36 Succulent Green Overview
Millet Prolighter 30+10 Women Saphir Millet Prolighter 30+10 Women Saphir Extra 5% off
Millet
Backpack Prolighter 30+10 Women Saphir

  • Recommended price

    £149.51

    -30%

    £104.63

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
RAB Exion 45 Nd Orion Blue RAB Exion 45 Nd Orion Blue Extra 5% off
RAB
Backpack Exion 45 Nd Orion Blue

  • Recommended price

    £211.11

    -25%

    £158.31

Perfect for long hikes, the RAB Exion 45 Nd Orion Blue women's backpack carries all your gear.
Colour
  • RAB Exion 45 Nd Orion Blue
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

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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.