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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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Vaude Brenta 36+6 Agave Vaude Brenta 36+6 Agave Extra 5% off
Vaude
Backpack Brenta 36+6 Agave

  • Recommended price

    £149.51

    -14%

    £127.51

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  • 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

    -14%

    £127.51

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  • Vaude Brenta 36+6 Agave
  • Vaude Brenta 36+6 Baltic Sea
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

    -25%

    £118.71
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  • Vaude Backpack Brenta 44+6 Black Overview
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RAB Backpack Exion 38 Army Overview RAB Backpack Exion 38 Army Side Extra 5% off
RAB
Backpack Exion 38 Army

  • Recommended price

    £193.60

    -25%

    £145.11
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  • RAB Backpack Exion 38 Anthracite Graphene Overview
  • RAB Backpack Exion 38 Army 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

    -25%

    £145.11
Colour
  • RAB Backpack Exion 38 Anthracite Graphene Overview
  • RAB Backpack Exion 38 Army Overview
  • RAB Backpack Exion 38 Tempest Blue Overview
Blue Ice Backpack Octopus 45L Shadow Overview Blue Ice Backpack Octopus 45L Shadow Back Extra 5% off
Blue Ice
Backpack Octopus 45L Shadow

  • Recommended price

    £140.71

    -10%

    £126.63

The Blue Ice Octopus 45L Shadow is a top-tier, durable climbing backpack with a 45L capacity, designed for practicality with dedicated compartments for gear and adjustable comfort features.
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  • Blue Ice Backpack Octopus 45L Shadow Overview
Picture Backpack Off Trax 30+10 Women Backpack Peppermint Overview Picture Backpack Off Trax 30+10 Women Backpack Peppermint Back
Picture
Backpack Off Trax 30+10 Women Backpack Peppermint
  • £131.91
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  • Picture Backpack Off Trax 30+10 Women Backpack Peppermint Overview
Millet Peuterey 45+10 Red Millet Peuterey 45+10 Red Extra 5% off
Millet
Backpack Peuterey 45+10 Red

  • Recommended price

    £211.11

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    £179.43
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  • Millet Peuterey 45+10 Dark Denim
  • Millet Peuterey 45+10 Red
Millet Prolighter 38+10 Red Millet Prolighter 38+10 Red
Millet
Backpack Prolighter 38+10 Red

  • Recommended price

    £175.91

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    £149.51
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  • Millet Prolighter 38+10 Red
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Osprey Sirrus 44 Medium Gray Osprey Sirrus 44 Medium Gray Extra 5% off
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Backpack Sirrus 44 Medium Gray

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    £171.51

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  • Osprey Sirrus 44 Medium Gray
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Black Diamond Speed 40 Backpack Sulphur Black Diamond Speed 40 Backpack Sulphur Extra 5% off
Black Diamond
Backpack Speed 40 Backpack Sulphur

  • Recommended price

    £158.31

    -15%

    £134.55

The Black Diamond Speed 40 Sulphur backpack is an ideal companion for mountaineering and climbing, offering lightness, sturdiness and a 40-liter capacity for your two-day adventures.
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  • Black Diamond Speed 40 Backpack Sulphur
Size
  • M-L (47-55)
RAB Backpack Syclon Xp 38 Nd Black Dark Fig Green Overview RAB Backpack Syclon Xp 38 Nd Black Dark Fig Green Back Extra 5% off
RAB
Backpack Syclon Xp 38 Nd Black Dark Fig Green

  • Recommended price

    £184.71

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    £156.55
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  • RAB Backpack Syclon Xp 38 Nd Black Dark Fig Green Overview
Patagonia Backpack Terravia Pack 36L Black Overview Patagonia Backpack Terravia Pack 36L Black Back
Patagonia
Backpack Terravia Pack 36L Black
  • £158.31
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  • Patagonia Backpack Terravia Pack 36L Black Overview
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  • M

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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.