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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

    -20%

    £168.87
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
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 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
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
  • Millet Ubic 40L Women E-Black Sand
  • Millet Ubic 40L Women E-Dark Red
Vaude Asymmetric 42+8 Black Vaude Asymmetric 42+8 Black
Vaude
Backpack Asymmetric 42+8 Black

  • Recommended price

    £175.91

    -25%

    £131.91
Colour
  • Vaude Asymmetric 42+8 Agave
  • Vaude Asymmetric 42+8 Black
  • Vaude Asymmetric 42+8 Eclipse
FlashDays
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
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
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 Agave
  • Vaude Women's Asymmetric 38+8 Dark Cherry
Mammut Lithium 40 Black Mammut Lithium 40 Black FLASH DAYS
Mammut
Backpack Lithium 40 Black

  • Recommended price

    £167.11

    -24%

    £125.75

-
Colour
  • Mammut Lithium 40 Black
Vaude Women's Asymmetric 38+8 Agave Vaude Women's Asymmetric 38+8 Agave
Vaude
Backpack Women's Asymmetric 38+8 Agave

  • Recommended price

    £175.91

    -25%

    £131.91


Colour
  • Vaude Women's Asymmetric 38+8 Agave
  • Vaude Women's Asymmetric 38+8 Dark Cherry
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

    -29%

    £130.15
Colour
  • Deuter Futura Pro 36 Black Graphite
  • Deuter Futura Pro 36 Black
  • Deuter Futura Pro 36 Nightblue Baltic
Millet Ubic 40L Women E-Dark Red Millet Ubic 40L Women E-Dark Red
Millet
Backpack Ubic 40L Women E-Dark Red

  • Recommended price

    £167.11

    -15%

    £140.71

-
Colour
  • Millet Ubic 40L Women E-Black Dark Blue
  • Millet Ubic 40L Women E-Black Sand
  • Millet Ubic 40L Women E-Dark Red
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Osprey Sirrus 36 Purple Dusk Osprey Sirrus 36 Purple Dusk
Osprey
Backpack Sirrus 36 Purple Dusk

  • Recommended price

    £184.71

    -25%

    £138.07

-
Colour
  • Osprey Sirrus 36 Medium Grey
  • Osprey Sirrus 36 Purple Dusk
  • Osprey Sirrus 36 Sevres Blue
Millet Ubic 40L Women E-Black Sand Millet Ubic 40L Women E-Black Sand
Millet
Backpack Ubic 40L Women E-Black Sand

  • Recommended price

    £167.11

    -15%

    £140.71

-
Colour
  • Millet Ubic 40L Women E-Black Dark Blue
  • Millet Ubic 40L Women E-Black Sand
  • Millet Ubic 40L Women E-Dark Red
RAB Exion 45 Nd Orion Blue RAB Exion 45 Nd Orion Blue
RAB
Backpack Exion 45 Nd Orion Blue

  • Recommended price

    £211.11

    -30%

    £147.75

Perfect for long hikes, the RAB Exion 45 Nd Orion Blue women's backpack carries all your gear.
Colour
  • RAB Exion 45 Nd Anthracite Graphene
  • RAB Exion 45 Nd Mulberry
  • RAB Exion 45 Nd Orion Blue
Vaude Asymmetric 42+8 Agave Vaude Asymmetric 42+8 Agave
Vaude
Backpack Asymmetric 42+8 Agave

  • Recommended price

    £175.91

    -25%

    £131.91
Colour
  • Vaude Asymmetric 42+8 Agave
  • Vaude Asymmetric 42+8 Black
  • Vaude Asymmetric 42+8 Eclipse
Vaude Asymmetric 42+8 Eclipse Vaude Asymmetric 42+8 Eclipse
Vaude
Backpack Asymmetric 42+8 Eclipse

  • Recommended price

    £175.91

    -25%

    £131.91
Colour
  • Vaude Asymmetric 42+8 Agave
  • Vaude Asymmetric 42+8 Black
  • Vaude Asymmetric 42+8 Eclipse
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
  • RAB Exion 45 Nd Orion Blue
Deuter Futura Pro 36 Black Deuter Backpack Futura Pro 36 Black Keypoints
Deuter
Backpack Futura Pro 36 Black
  • £193.60
Colour
  • Deuter Futura Pro 36 Black Graphite
  • Deuter Futura Pro 36 Black
  • Deuter Futura Pro 36 Nightblue Baltic
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MORE THAN
97%
OF OUR CUSTOMERS
ARE FULLY
SATISFIED
Check out their reviews
Deuter Futura Pro 36 Nightblue Baltic Deuter Backpack Futura Pro 36 Nightblue Baltic Keypoints
Deuter
Backpack Futura Pro 36 Nightblue Baltic
  • £193.60
Colour
  • Deuter Futura Pro 36 Black Graphite
  • Deuter Futura Pro 36 Black
  • Deuter Futura Pro 36 Nightblue Baltic
Osprey Sirrus 36 Sevres Blue Osprey Sirrus 36 Sevres Blue
Osprey
Backpack Sirrus 36 Sevres Blue

  • Recommended price

    £184.71

    -25%

    £138.07

-
Colour
  • Osprey Sirrus 36 Medium Grey
  • Osprey Sirrus 36 Purple Dusk
  • Osprey Sirrus 36 Sevres Blue
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
  • Ortovox Haute Route 38 S Blue Nunatak
  • Ortovox Haute Route 38 S Dark Linen
RAB Exion 45 Nd Mulberry FLASH DAYS
RAB
Backpack Exion 45 Nd Mulberry

  • Recommended price

    £211.11

    -30%

    £147.75
Colour
  • RAB Exion 45 Nd Anthracite Graphene
  • RAB Exion 45 Nd Mulberry
  • RAB Exion 45 Nd Orion Blue
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 Sirrus 36 Medium Grey Osprey Sirrus 36 Medium Grey FLASH DAYS
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 Sirrus 36 Sevres 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.