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LOAD THE SLED UP TO 70% OFF Extension until 15 December 2025   |   GUARANTEED DELIVERY BEFORE CHRISTMAS

20l hiking backpacks

20-litre hiking backpacks are ideal for hikers seeking a compact model that is lightweight and perfectly suited for day trips and outdoor activities requiring minimal gear. With their smaller capacity, they allow you to carry all the essentials without being bulky, making them a preferred choice for nature enthusiasts and demanding athletes. For longer hikes or those involving overnight stays, it would be better to opt for a 30-litre backpack or a 40-litre model, also available at Glisshop.

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RAB Backpack Adrift 24 Deep Ink Overview RAB Backpack Adrift 24 Deep Ink Side
RAB
Backpack Adrift 24 Deep Ink

  • Recommended price

    £71.91

    -30%

    £50.31
Colour
  • RAB Backpack Adrift 24 Black Overview
  • RAB Backpack Adrift 24 Deep Ink Overview
Lafuma Active 24 Pomegranate Lafuma Active 24 Pomegranate
Lafuma
Backpack Active 24 Pomegranate

  • Recommended price

    £80.91

    -35%

    £52.11
Colour
  • Lafuma Active 24 Black - Noir
  • Lafuma Active 24 Pomegranate
Lowe Alpine Backpack Airzone Active 18 Dark Jade Overview Lowe Alpine Backpack Airzone Active 18 Dark Jade Keypoints
Lowe Alpine
Backpack Airzone Active 18 Dark Jade

  • Recommended price

    £80.91

    -25%

    £60.21

-
Colour
  • Lowe Alpine Backpack Airzone Active 18 Dark Jade Overview
Size
  • M
Tatonka Backpack Hike Pack 20 Titan Grey Overview Tatonka Backpack Hike Pack 20 Titan Grey Keypoints
Tatonka
Backpack Hike Pack 20 Titan Grey

  • Recommended price

    £89.91

    -45%

    £49.41
Colour
  • Tatonka Backpack Hike Pack 20 Titan Grey Overview
RAB Aeon 20 Anthracite RAB Aeon 20 Anthracite
RAB
Backpack Aeon 20 Anthracite

  • Recommended price

    £125.91

    -47%

    £66.51

-
Colour
  • RAB Aeon 20 Anthracite
Rossignol Alltrack
Salewa Backpack Pedroc 16 Alloy Overview Salewa Backpack Pedroc 16 Alloy Back
Salewa
Backpack Pedroc 16 Alloy

  • Recommended price

    £125.91

    -30%

    £88.11

-
Colour
  • Salewa Backpack Pedroc 16 Alloy Overview
  • Salewa Backpack Pedroc 16 Electric Overview
  • Salewa Backpack Pedroc 16 Onyx Overview
Blue Ice Backpack Reach 20L Rooibus Overview Blue Ice Backpack Reach 20L Rooibus Keypoints
Blue Ice
Backpack Reach 20L Rooibus

  • Recommended price

    £125.91

    -25%

    £94.41

The Blue Ice Reach 20L is a durable, eco-friendly outdoor pack with a 20L capacity, trail running vest-inspired carrying system, and specialized features for climbers and alpinists.
Colour
  • Blue Ice Backpack Reach 20L Rooibus Overview
Picture Backpack Komit 18 Backpack Black Overview Picture Backpack Komit 18 Backpack Black Back
Picture
Backpack Komit 18 Backpack Black
  • £85.41

-
Colour
  • Picture Backpack Komit 18 Backpack Black Overview
  • Picture Backpack Komit 18 Backpack Bright Magenta Overview
  • Picture Backpack Komit 18 Backpack Serenity Blue Overview
Cotopaxi Backpack Elqui 18L Backpack Cumbre Foam & Silver Leaf Overview Cotopaxi Backpack Elqui 18L Backpack Cumbre Foam & Silver Leaf Back
Cotopaxi
Backpack Elqui 18L Backpack Cumbre Foam & Silver Leaf

  • Recommended price

    £89.91

    -25%

    £67.41

The Cotopaxi Elqui 18L Backpack Cumbre Foam & Silver Leaf is a durable, breathable, and versatile backpack, ideal for hiking and everyday use, featuring recycled materials, multiple pockets, and hydration system compatibility.
Colour
  • Cotopaxi Backpack Elqui 18L Backpack Cumbre Carbon Overview
  • Cotopaxi Backpack Elqui 18L Backpack Cumbre Foam & Silver Leaf Overview
RAB Backpack Nitron 25 Anthracite Overview RAB Backpack Nitron 25 Anthracite Back
RAB
Backpack Nitron 25 Anthracite

  • Recommended price

    £107.91

    -25%

    £80.91

The Rab Nitron 25 Anthracite is an ultra-lightweight, durable backpack, perfect for day hikes with its 25-liter capacity and comfortable carrying system.
Colour
  • RAB Backpack Nitron 25 Anthracite Overview
  • RAB Backpack Nitron 25 Orion Blue Overview
RAB Backpack Nitron 18 Anthracite Overview RAB Backpack Nitron 18 Anthracite Back
RAB
Backpack Nitron 18 Anthracite

  • Recommended price

    £89.91

    -25%

    £67.41

The RAB Nitron 18 Anthracite backpack is the ideal companion for day hikes, combining lightness, optimized storage and comfort, thanks in particular to the Air Contour back system.
Colour
  • RAB Backpack Nitron 18 Anthracite Overview
  • RAB Backpack Nitron 18 Orion Blue Overview
Blue Ice Backpack Chiru 25L Bronze Mist Overview Blue Ice Backpack Chiru 25L Bronze Mist
Blue Ice
Backpack Chiru 25L Bronze Mist

  • Recommended price

    £125.91

    -30%

    £88.11

Designed for mountaineering and hiking, the Blue Ice Chiru 25L Bronze Mist is ultra-practical, lightweight, strong and waterproof. It features a capacity of 25 litres.  
Colour
  • Blue Ice Backpack Chiru 25L Bronze Mist Overview
  • Blue Ice Backpack Chiru 25L India Ink Overview
Size
  • M-L
dynastar
Dynafit Backpack Traverse 22 Black Out Overview Dynafit Backpack Traverse 22 Black Out Back
Dynafit
Backpack Traverse 22 Black Out

  • Recommended price

    £125.91

    -35%

    £81.81

The Dynafit Traverse 22 Black Out backpack is perfect for day runners and hikers, offering 22 liters of volume, ergonomic design and practical features like side access and pole holders.
Colour
  • Dynafit Backpack Traverse 22 Black Out Overview
Size
  • XS-S
  • M-L
Dynafit Backpack Traverse 16 Black Out Overview Dynafit Backpack Traverse 16 Black Out Back
Dynafit
Backpack Traverse 16 Black Out

  • Recommended price

    £107.91

    -15%

    £91.71

The Dynafit Traverse 16 Black Out backpack is ideal for day-long trail running or hiking outings, offering an optimized 16-liter volume, ergonomic comfort and practical features such as a pole holder and zipped flask pockets.
Colour
  • Dynafit Backpack Traverse 16 Black Out Overview
Size
  • S-M (38-45)
  • M-L (45-53)
Black Diamond Backpack Dawn Patrol 25 Backpack White Oak Overview Black Diamond Backpack Dawn Patrol 25 Backpack White Oak Keypoints
Black Diamond
Backpack Dawn Patrol 25 Backpack White Oak

  • Recommended price

    £143.91

    -25%

    £107.91
Colour
  • Black Diamond Backpack Dawn Patrol 25 Backpack Black Overview
  • Black Diamond Backpack Dawn Patrol 25 Backpack White Oak Overview
Size
  • S-M
Patagonia Backpack Terravia Pack 22L Barnacle Blue Overview Patagonia Backpack Terravia Pack 22L Barnacle Blue Keypoints
Patagonia
Backpack Terravia Pack 22L Barnacle Blue
  • £107.91
Colour
  • Patagonia Backpack Terravia Pack 22L Barnacle Blue Overview
  • Patagonia Backpack Terravia Pack 22L Black Overview
Size
  • S
  • M
Black Diamond Backpack Dawn Patrol 25 Backpack Black Overview Black Diamond Backpack Dawn Patrol 25 Backpack Black
Black Diamond
Backpack Dawn Patrol 25 Backpack Black

  • Recommended price

    £143.91

    -25%

    £107.91
Colour
  • Black Diamond Backpack Dawn Patrol 25 Backpack Black Overview
  • Black Diamond Backpack Dawn Patrol 25 Backpack White Oak Overview
Size
  • S-M
  • M-L
Nitro Backpack Slash 25 Pro Illuminating Overview Nitro Backpack Slash 25 Pro Illuminating Back
Nitro
Backpack Slash 25 Pro Illuminating

  • Recommended price

    £161.91

    -25%

    £121.41
Colour
  • Nitro Backpack Slash 25 Pro Arctic Overview
  • Nitro Backpack Slash 25 Pro Illuminating Overview
  • Nitro Backpack Slash 25 Pro Raven Overview
  • Nitro Backpack Slash 25 Pro Wax Lizard Overview
Picture Backpack Komit 18 Backpack Serenity Blue Overview Picture Backpack Komit 18 Backpack Serenity Blue Back
Picture
Backpack Komit 18 Backpack Serenity Blue
  • £85.41

-
Colour
  • Picture Backpack Komit 18 Backpack Black Overview
  • Picture Backpack Komit 18 Backpack Bright Magenta Overview
  • Picture Backpack Komit 18 Backpack Serenity Blue Overview
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Cotopaxi Backpack Elqui 18L Backpack Cumbre Carbon Overview Cotopaxi Backpack Elqui 18L Backpack Cumbre Carbon Back
Cotopaxi
Backpack Elqui 18L Backpack Cumbre Carbon

  • Recommended price

    £89.91

    -25%

    £67.41

The Cotopaxi Elqui 18L Backpack Cumbre Carbon is a durable, breathable, and versatile backpack with ample storage, suitable for hiking and daily use, featuring recycled materials and hydration system compatibility.
Colour
  • Cotopaxi Backpack Elqui 18L Backpack Cumbre Carbon Overview
  • Cotopaxi Backpack Elqui 18L Backpack Cumbre Foam & Silver Leaf Overview
Dakine Backpack Mission 25L Kingdom Black Overview Dakine Backpack Mission 25L Kingdom Black Back
Dakine
Backpack Mission 25L Kingdom Black

  • Recommended price

    £107.91

    -25%

    £80.91
Colour
  • Dakine Backpack Mission 25L Black Overview
  • Dakine Backpack Mission 25L Kingdom Black Overview
Dakine Backpack Mission 25L Black Overview Dakine Backpack Mission 25L Black Back
Dakine
Backpack Mission 25L Black

  • Recommended price

    £107.91

    -35%

    £70.11
Colour
  • Dakine Backpack Mission 25L Black Overview
  • Dakine Backpack Mission 25L Kingdom Black Overview
Ortovox Backpack Free Rider 20 S Chestnut Overview Ortovox Backpack Free Rider 20 S Chestnut Back New colour
Ortovox
Backpack Free Rider 20 S Chestnut

  • Recommended price

    £161.91

    -20%

    £129.51
Colour
  • Ortovox Backpack Free Rider 20 S Chestnut Overview
Vaude Backpack Neyland 24 Baltic Sea Overview Vaude Backpack Neyland 24 Baltic Sea Back
Vaude
Backpack Neyland 24 Baltic Sea

  • Recommended price

    £125.91

    -45%

    £69.21

-
Colour
  • Vaude Backpack Neyland 24 Baltic Sea Overview
Osprey Backpack Sportlite 25 Dark Charcoal Grey Overview Osprey Backpack Sportlite 25 Dark Charcoal Grey Keypoints
Osprey
Backpack Sportlite 25 Dark Charcoal Grey

  • Recommended price

    £89.91

    -25%

    £67.41

-
Colour
  • Osprey Backpack Sportlite 25 Dark Charcoal Grey Overview
Size
  • M-L
Deuter Backpack Trail 24 Black Shale Overview Deuter Backpack Trail 24 Black Shale Keypoints
Deuter
Backpack Trail 24 Black Shale

  • Recommended price

    £130.41

    -24%

    £98.01

The Deuter Trail 24 Black Shale is a lightweight, functional, and comfortable backpack for hiking or climbing, featuring ergonomic design, spacious 24L capacity, and made from recycled materials.
Colour
  • Deuter Backpack Trail 24 Black Shale Overview
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A Compact and Versatile Format

If you’re unsure about the size to choose, a 20-litre backpack is more than enough for a few hours’ walk in the woods or a pleasant countryside hike.

20-litre backpacks are perfect for carrying the essentials during day trips or half-day outings. They provide space for a waterproof coat, a first aid kit, snacks, a water bottle, and a few accessories. This well-thought-out size allows you to organise your belongings efficiently while keeping the overall weight to a minimum.

Perfect for Ultra-Light Travelling

Whether you’re exploring a new city or enjoying a hike along a coastal trail, a 20-litre backpack offers the flexibility to adapt to almost any situation. It’s also an excellent choice for air travel. Thanks to their small size, they often meet the cabin baggage requirements of most airlines. Some models even include specific compartments for carrying a laptop or travel documents.

Who is a 20-Litre Hiking Backpack For?

  • Casual Hikers: 20-litre backpacks are ideal for those looking for a lightweight and practical bag for day trips and shorter outings.
  • Outdoor Sports Enthusiasts: Perfect for both winter and summer sports, from trail running to ski touring, thanks to their stability and compact design.
  • Minimalist Travellers: A compact pack that’s just right for carrying the essentials on a weekend trip or a flight.

Spotlight on Key Brands

Osprey

Osprey backpacks, such as the Daylite 20, are praised for their ergonomic design and durability. Their thoughtful construction makes them excellent companions for outdoor activities.

Millet

Millet backpacks are known for their strength and versatility. The Peuterey 20 model is particularly well-suited for mountain enthusiasts and demanding activities.

Deuter

Deuter offers compact and lightweight backpacks like the Speed Lite 20, designed to provide excellent carrying comfort and optimal organisation.

Lafuma

Lafuma models, such as the Access 20, combine simplicity with functionality. Their sleek design appeals to those seeking a practical yet stylish backpack.

What is the Size of a Small 20-Litre Hiking Backpack?

The size of a 20-litre hiking backpack varies depending on the brand and model. However, it remains compact and perfectly suited for day use. It offers enough space to carry a lightweight jacket, a water bottle, lunch, and a few accessories, all while being easy to carry and unobtrusive.

Why Choose a 20-Litre Backpack from Glisshop?

At Glisshop, we offer a wide selection of 20-litre hiking backpacks from the best brands on the market. Whether you’re looking for a model for hiking or a versatile bag for daily use, you’re sure to find one that suits your needs.

Feel free to check out our guide How to Choose Your Hiking Backpack? to help you select the perfect model for your adventures.