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20l hiking backpacks

20-litre 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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Millet Backpack Ubic 20L Black Overview Millet Backpack Ubic 20L Black Side
Millet
Backpack Ubic 20L Black

  • Recommended price

    £118.91

    -40%

    £71.31
Colour
  • Millet Backpack Ubic 20L Black Overview
  • Millet Backpack Ubic 20L Cloud Dusk Overview
  • Millet Backpack Ubic 20L Dorite Overview
  • Millet Backpack Ubic 20L E-Black Dark Blue Overview
  • Millet Backpack Ubic 20L E-Black Overview
  • Millet Backpack Ubic 20L Porcelain Overview
Lafuma Backpack Access 20 Venti Black Overview Lafuma Backpack Access 20 Venti Black Back
Lafuma
Backpack Access 20 Venti Black

  • Recommended price

    £101.91

    -50%

    £50.91

The Lafuma Access 20 Venti Black is a sustainable, water-resistant backpack made of recycled materials, designed for hiking with features like hydration system compatibility, adjustable straps, and secure pockets.
Colour
  • Lafuma Backpack Access 20 Venti Black Overview
  • Lafuma Backpack Access 20 Venti Dune Overview
Millet Backpack Ubic 20L Dorite Overview Millet Backpack Ubic 20L Dorite Side
Millet
Backpack Ubic 20L Dorite

  • Recommended price

    £118.91

    -40%

    £71.31
Colour
  • Millet Backpack Ubic 20L Black Overview
  • Millet Backpack Ubic 20L Cloud Dusk Overview
  • Millet Backpack Ubic 20L Dorite Overview
  • Millet Backpack Ubic 20L E-Black Dark Blue Overview
  • Millet Backpack Ubic 20L E-Black Overview
  • Millet Backpack Ubic 20L Porcelain Overview
Osprey Backpack Hikelite 18 Pine Leaf Green Overview Osprey Backpack Hikelite 18 Pine Leaf Green Back Extra 20% off
Osprey
Backpack Hikelite 18 Pine Leaf Green

  • Recommended price

    £93.41

    -18%

    £76.41

-
Colour
  • Osprey Backpack Hikelite 18 Black Overview
  • Osprey Backpack Hikelite 18 Pine Leaf Green Overview
Osprey Backpack Hikelite 18 Black Overview Osprey Backpack Hikelite 18 Black Back Extra 20% off
Osprey
Backpack Hikelite 18 Black

  • Recommended price

    £93.41

    -18%

    £76.41

-
Colour
  • Osprey Backpack Hikelite 18 Black Overview
  • Osprey Backpack Hikelite 18 Pine Leaf Green Overview
Millet Backpack Ubic 20L Cloud Dusk Overview Millet Backpack Ubic 20L Cloud Dusk Side
Millet
Backpack Ubic 20L Cloud Dusk

  • Recommended price

    £118.91

    -40%

    £71.31
Colour
  • Millet Backpack Ubic 20L Black Overview
  • Millet Backpack Ubic 20L Cloud Dusk Overview
  • Millet Backpack Ubic 20L Dorite Overview
  • Millet Backpack Ubic 20L E-Black Dark Blue Overview
  • Millet Backpack Ubic 20L E-Black Overview
  • Millet Backpack Ubic 20L Porcelain Overview
Millet Backpack Ubic 20L Porcelain Overview Millet Backpack Ubic 20L Porcelain Back
Millet
Backpack Ubic 20L Porcelain

  • Recommended price

    £118.91

    -40%

    £71.31

Millet’s Ubic 20L Porcelain hiking backpack offers comfort with its ventilated back panel and allows to carry your equipment for a day a hiking. 

Colour
  • Millet Backpack Ubic 20L Black Overview
  • Millet Backpack Ubic 20L Cloud Dusk Overview
  • Millet Backpack Ubic 20L Dorite Overview
  • Millet Backpack Ubic 20L E-Black Dark Blue Overview
  • Millet Backpack Ubic 20L E-Black Overview
  • Millet Backpack Ubic 20L Porcelain Overview
Flash days
Millet Backpack Ubic 20L E-Black Overview Millet Backpack Ubic 20L E-Black Back
Millet
Backpack Ubic 20L E-Black
  • £101.91
Colour
  • Millet Backpack Ubic 20L Black Overview
  • Millet Backpack Ubic 20L Cloud Dusk Overview
  • Millet Backpack Ubic 20L Dorite Overview
  • Millet Backpack Ubic 20L E-Black Dark Blue Overview
  • Millet Backpack Ubic 20L E-Black Overview
  • Millet Backpack Ubic 20L Porcelain Overview
Millet Backpack Ubic 20L E-Black Dark Blue Overview Millet Backpack Ubic 20L E-Black Dark Blue Back
Millet
Backpack Ubic 20L E-Black Dark Blue

  • Recommended price

    £101.91

    -16%

    £84.92
Colour
  • Millet Backpack Ubic 20L Black Overview
  • Millet Backpack Ubic 20L Cloud Dusk Overview
  • Millet Backpack Ubic 20L Dorite Overview
  • Millet Backpack Ubic 20L E-Black Dark Blue Overview
  • Millet Backpack Ubic 20L E-Black Overview
  • Millet Backpack Ubic 20L Porcelain Overview
Lafuma Backpack Alpic 20 Black - Noir Overview Lafuma Backpack Alpic 20 Black - Noir Detail
Lafuma
Backpack Alpic 20 Black - Noir

  • Recommended price

    £59.42

    -50%

    £29.66
Colour
  • Lafuma Backpack Alpic 20 Castor Grey Overview
  • Lafuma Backpack Alpic 20 Black - Noir Overview
  • Lafuma Backpack Alpic 20 Eclipse Blue Overview
Patagonia Backpack Kid's Refugito Day Pack 18L Mirage Redtail Rust Overview Patagonia Backpack Kid's Refugito Day Pack 18L Mirage Redtail Rust Back
Patagonia
Backpack Kid's Refugito Day Pack 18L Mirage Redtail Rust

  • Recommended price

    £63.66

    -20%

    £50.91

-
Colour
  • Patagonia Backpack Kid's Refugito Day Pack 18L Mirage Redtail Rust Overview
  • Patagonia Backpack Kid's Refugito Day Pack 18L New Navy Overview
  • Patagonia Backpack Kid's Refugito Day Pack 18L Swallowail Geo Eddy Blue Overview
  • Patagonia Backpack Kid's Refugito Day Pack 18L Wetland Blue Overview
Deuter Backpack Junior 18L Chestnut Mandarine Overview Deuter Backpack Junior 18L Chestnut Mandarine Side Extra 20% off
Deuter
Backpack Junior 18L Chestnut Mandarine
  • £46.67

-
Colour
  • Deuter Backpack Junior 18L Amber Overview
  • Deuter Backpack Junior 18L Chestnut Mandarine Overview
  • Deuter Backpack Junior 18L Ink Lake Overview
  • Deuter Backpack Junior 18L Maron Currant Overview
  • Deuter Backpack Junior 18L Masala Cherry Overview
  • Deuter Backpack Junior 18L Spearmint Seagreen Overview
  • Deuter Backpack Junior 18L Wave Nightblue Overview
Dakine Backpack Mission 25L Black Overview Dakine Backpack Mission 25L Black Back Extra 20% off
Dakine
Backpack Mission 25L Black

  • Recommended price

    £101.91

    -15%

    £86.61
Colour
  • Dakine Backpack Mission 25L Black Overview
  • Dakine Mission 25L Naval Academy
  • Dakine Mission 25L Rubber
Lafuma Backpack Active 24 Black - Noir Overview Lafuma Backpack Active 24 Black - Noir Back
Lafuma
Backpack Active 24 Black - Noir

  • Recommended price

    £76.41

    -44%

    £42.41
Colour
  • Lafuma Backpack Active 24 Black - Noir Overview
  • Lafuma Backpack Active 24 Pomegranate Overview
Millet Lafuma
Dakine Backpack Heli Pro 20L Black Overview Dakine Backpack Heli Pro 20L Black Back Extra 20% off
Dakine
Backpack Heli Pro 20L Black

  • Recommended price

    £118.91

    -21%

    £93.41

The Heli Pro 20L Black men backpack is an ultra-functional and versatile model that was designed to be as practical and comfortable as possible
Colour
  • Dakine Backpack Heli Pro 20L Black Overview
Vaude Backpack Wizard 24+4 Avocado Overview Vaude Backpack Wizard 24+4 Avocado Side Extra 20% off
Vaude
Backpack Wizard 24+4 Avocado

  • Recommended price

    £127.41

    -30%

    £89.16
Colour
  • Vaude Backpack Wizard 24+4 Avocado Overview
  • Vaude Backpack Wizard 24+4 Black Overview
  • Vaude Backpack Wizard 24+4 Black Umbra Overview
  • Vaude Backpack Wizard 24+4 Kingfisher Overview
Vaude Backpack Wizard 24+4 Black Umbra Overview Vaude Backpack Wizard 24+4 Black Umbra Detail Extra 20% off
Vaude
Backpack Wizard 24+4 Black Umbra

  • Recommended price

    £127.41

    -30%

    £89.16
Colour
  • Vaude Backpack Wizard 24+4 Avocado Overview
  • Vaude Backpack Wizard 24+4 Black Overview
  • Vaude Backpack Wizard 24+4 Black Umbra Overview
  • Vaude Backpack Wizard 24+4 Kingfisher Overview
Deuter Backpack Junior 18L Ink Lake Overview Deuter Backpack Junior 18L Ink Lake Side Extra 20% off
Deuter
Backpack Junior 18L Ink Lake
  • £46.67

-
Colour
  • Deuter Backpack Junior 18L Amber Overview
  • Deuter Backpack Junior 18L Chestnut Mandarine Overview
  • Deuter Backpack Junior 18L Ink Lake Overview
  • Deuter Backpack Junior 18L Maron Currant Overview
  • Deuter Backpack Junior 18L Masala Cherry Overview
  • Deuter Backpack Junior 18L Spearmint Seagreen Overview
  • Deuter Backpack Junior 18L Wave Nightblue Overview
Millet Backpack Prolighter 22L Black Overview Millet Backpack Prolighter 22L Black Side Extra 20% off
Millet
Backpack Prolighter 22L Black

  • Recommended price

    £84.92

    -10%

    £76.41
Colour
  • Millet Backpack Prolighter 22L Black Overview
  • Millet Backpack Prolighter 22L Icon Blue Overview
  • Millet Backpack Prolighter 22L Saphir Overview
Nitro Backpack Slash 25 Pro Phantom Overview Nitro Backpack Slash 25 Pro Phantom Back Extra 20% off
Nitro
Backpack Slash 25 Pro Phantom
  • £144.41
Colour
  • Nitro Backpack Slash 25 Pro Arctic Overview
  • Nitro Backpack Slash 25 Pro Phantom Overview
  • Nitro Slash 25 Pro Wax Lizard
Dakine Mission 25L Rubber Dakine Mission 25L Rubber Extra 20% off
Dakine
Backpack Mission 25L Rubber

  • Recommended price

    £101.91

    -15%

    £86.61
Colour
  • Dakine Backpack Mission 25L Black Overview
  • Dakine Mission 25L Naval Academy
  • Dakine Mission 25L Rubber
New UK delivery partner
Nitro Slash 25 Pro Wax Lizard Nitro Slash 25 Pro Wax Lizard Extra 20% off
Nitro
Backpack Slash 25 Pro Wax Lizard
  • £144.41
Colour
  • Nitro Backpack Slash 25 Pro Arctic Overview
  • Nitro Backpack Slash 25 Pro Phantom Overview
  • Nitro Slash 25 Pro Wax Lizard
C.A.M.P. Backpack Ski Raptor 20 Opal Green Overview C.A.M.P. Backpack Ski Raptor 20 Opal Green Detail Extra 20% off
C.A.M.P.
Backpack Ski Raptor 20 Opal Green

  • Recommended price

    £131.66

    -45%

    £72.17
Colour
  • C.A.M.P. Backpack Ski Raptor 20 Opal Green Overview
Millet Backpack Wanaka 20 Maracuja Overview Millet Backpack Wanaka 20 Maracuja Back Extra 20% off
Millet
Backpack Wanaka 20 Maracuja

  • Recommended price

    £118.91

    -30%

    £83.21

The Millet Wanaka 20 is a tough, waterproof hiking backpack for men, with pole holder and bottom straps for added practicality.
Colour
  • Millet Backpack Wanaka 20 Dorite Overview
  • Millet Backpack Wanaka 20 Maracuja Overview
  • Millet Backpack Wanaka 20 Saphir Overview
Lafuma Backpack Active 18 Pomegranate Overview Lafuma Backpack Active 18 Pomegranate Back
Lafuma
Backpack Active 18 Pomegranate

  • Recommended price

    £59.42

    -40%

    £35.61
Colour
  • Lafuma Backpack Active 18 Black - Noir Overview
  • Lafuma Backpack Active 18 Pomegranate Overview
Lafuma Backpack Active 18 Black - Noir Overview Lafuma Backpack Active 18 Black - Noir Back
Lafuma
Backpack Active 18 Black - Noir

  • Recommended price

    £59.42

    -35%

    £38.16
Colour
  • Lafuma Backpack Active 18 Black - Noir Overview
  • Lafuma Backpack Active 18 Pomegranate Overview
Lafuma Backpack Access 20 Venti Dune Overview Lafuma Backpack Access 20 Venti Dune Back
Lafuma
Backpack Access 20 Venti Dune

  • Recommended price

    £101.91

    -50%

    £50.91

The Lafuma Access 20 Venti Dune is a sustainable, water-resistant backpack made of recycled materials, designed for hiking with features like a hydration system compatibility, ventilated mesh back, and adjustable straps.
Colour
  • Lafuma Backpack Access 20 Venti Black Overview
  • Lafuma Backpack Access 20 Venti Dune 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.