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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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Picture Off Trax 30+10 Women Backpack Peppermint Picture Off Trax 30+10 Women Backpack Peppermint
Picture
Backpack Off Trax 30+10 Women Backpack Peppermint

  • Recommended price

    £131.91

    -25%

    £98.47
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  • Picture Off Trax 30+10 Women Backpack Peppermint
Bliz
Ferrino Agile 45 Blue Ferrino Agile 45 Blue
Ferrino
Backpack Agile 45 Blue

  • Recommended price

    £140.71

    -30%

    £98.47

The Agile 45 Blue backpack from Ferrino offers optimal carrying comfort for two-day hiking thanks to its breathable back system.
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  • Ferrino Agile 45 Blue
Salewa Backpack Alp Mate 36 Onyx Overview Salewa Backpack Alp Mate 36 Onyx Back
Salewa
Backpack Alp Mate 36 Onyx

  • Recommended price

    £114.31

    -30%

    £79.11

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Vaude Brenta 36+6 Baltic Sea Vaude Brenta 36+6 Baltic Sea
Vaude
Backpack Brenta 36+6 Baltic Sea

  • Recommended price

    £149.51

    -35%

    £96.71

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  • Vaude Brenta 36+6 Baltic Sea
RAB Exion 38 Anthracite Graphene RAB Exion 38 Anthracite Graphene
RAB
Backpack Exion 38 Anthracite Graphene

  • Recommended price

    £193.51

    -24%

    £145.99

The RAB Exion 38 Anthracite Graphene backpack combines comfort and functionality with its adjustable carrying system, multiple pockets and weather resistance.
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  • RAB Exion 38 Anthracite Graphene
  • RAB Exion 38 Tempest Blue
RAB Exion 38 Tempest Blue RAB Exion 38 Tempest Blue
RAB
Backpack Exion 38 Tempest Blue

  • Recommended price

    £193.51

    -25%

    £145.11
Colour
  • RAB Exion 38 Anthracite Graphene
  • RAB Exion 38 Tempest Blue
RAB Exion 45 Nd Mulberry
RAB
Backpack Exion 45 Nd Mulberry

  • Recommended price

    £211.11

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    £158.31
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  • RAB Exion 45 Nd Anthracite Graphene
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Blue Ice Octopus 45L Shadow Blue Ice Octopus 45L Shadow
Blue Ice
Backpack Octopus 45L Shadow

  • Recommended price

    £140.71

    -25%

    £105.51

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 Octopus 45L Shadow
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Osprey Sirrus 36 Muted Space Blue Osprey Sirrus 36 Muted Space Blue
Osprey
Backpack Sirrus 36 Muted Space Blue

  • Recommended price

    £175.91

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    £131.91

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  • Osprey Sirrus 36 Muted Space Blue
  • Osprey Backpack Sirrus 36 Sevres Blue Overview
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Backpack Sirrus 36 Sevres Blue

  • Recommended price

    £184.71

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    £138.07

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  • Osprey Sirrus 36 Muted Space Blue
  • Osprey Backpack Sirrus 36 Sevres Blue Overview
Osprey Stratos 44 Raven Black Osprey Stratos 44 Raven Black
Osprey
Backpack Stratos 44 Raven Black

  • Recommended price

    £202.31

    -25%

    £151.27

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  • Osprey Stratos 44 Raven Black
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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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.