Your choice of backpacking rucksack is critical, as is it's weight, though the lightest may not be the best one for you. That's why we give our honest opinions and comprehensive 'Our Verdict' on each pack. We've tried many of them and can speak from direct experience.

  • Trailblazer LT 20 Rucksack Trailblazer LT 20 Rucksack

    Montane

    Trailblazer LT 20 Rucksack

    Weighs
    282g

    Capacity:
    20 Litres
    Weighs:
    282g
    Frame:
    Frameless
    Padding:
    Padded Back

    We're working out what we think - we'll add our view here! Montane says The Trailblazer LT 20 builds on the innovative COVALENT harness system with its customisable body-hugging design and accessible pocket configuration from our market leading...

    RRP: £99.99
    £92.99
  • Trailblazer LT 28 Rucksack Trailblazer LT 28 Rucksack

    Montane

    Trailblazer LT 28 Rucksack

    Weighs
    349g

    Capacity:
    28 Litres
    Weighs:
    349g
    Frame:
    Frameless
    Padding:
    Padded Back

    We're working out what we think - we'll add our view here! Montane says The Trailblazer LT 28 builds on the innovative COVALENT harness system with its customisable body-hugging design and accessible pocket configuration from our market leading...

    RRP: £119.99
    £109.99
  • Virga 26 Rucksack Virga 26 Rucksack

    Granite Gear

    Virga 26 Rucksack

    Weighs
    480g

    Capacity:
    26 Litres
    Weighs:
    480g
    Frame:
    Frameless
    Padding:
    No Padding

    The Virga 26 is an ultra lightweight, durable and frameless rucksack that can be effortlessly rolled up, concealed, and carried anywhere you go. Granite Gear says If you are seriously committed to going fast and light, this is the pack for you. It w…

    £119.99
  • Aeon Ultra 20 Rucksack Aeon Ultra 20 Rucksack

    Rab

    Aeon Ultra 20 Rucksack

    Weighs
    605g

    Weighs:
    605g
    Capacity:
    20 Litres
    Frame:
    Frameless
    Padding:
    Padded Back

    The ultimate all-conditions pack for fast hikers and mountain runners. Stable and secure with a body-hugging harness, water resistant fabric, taped seams, and volume for long distance tests of endurance. Rab says: The Aeon Ultra 20 is the ideal day …

    RRP: £114.99
    £106.99
  • VentureLite 25 Vest Pack VentureLite 25 Vest Pack

    Inov8

    VentureLite 25 Vest Pack

    Weighs
    620g

    Capacity:
    25 Litres
    Weighs:
    620g
    Frame:
    Frameless
    Padding:
    No padding

    We're working out what we think - we'll add our view here! Inov8 says Perfect for fast-paced full-day or lightweight multi-day hikes and adventures. The 25-litre capacity gives the ideal amount of storage space for lightweight multi-day adventures i…

    RRP: £139.99
    £129.99
  • Top Pick
    G4-20 Ultralight 42 Backpack G4-20 Ultralight 42 Backpack

    Gossamer Gear

    G4-20 Ultralight 42 Backpack

    Weighs
    704g (based on size Medium)

    UOG Top Picks:
    Yes
    Capacity:
    42 Litres
    Weighs:
    704g (based on size Medium)
    Frame:
    Frameless
    Padding:
    Padded Back

    UOG TOP PICK - Gossamer Gear's G4-20 Ultralight 42L Backpack - We've singled out Gossamer Gear's G4-20 as one of our top recommendations because it is amazingly lightweight for the 42L capacity. At over 100g lighter than any competitors bag around th…

    £219.99
  • Levity 45 Litre Rucksack Levity 45 Litre Rucksack

    Osprey

    Levity 45 Litre Rucksack

    Weighs
    830g (based on size Medium)

    Capacity:
    45 Litres
    Weighs:
    830g (based on size Medium)
    Frame:
    Internal Frame
    Padding:
    Padded Back

    The Osprey Levity packs are fully framed pack with a vented back panel and traditional 'lid with pocket' arrangement, yet come in well below the kg mark in terms of overall weight. Ample pockets and other features will also appeal to backpackers. Os…

    RRP: £179.99
    £164.99
  • Gorilla 50 Ultralight Rucksack Gorilla 50 Ultralight Rucksack

    Gossamer Gear

    Gorilla 50 Ultralight Rucksack

    Weighs
    858g (based on size Medium)

    Capacity:
    50 Litres
    Weighs:
    858g (based on size Medium)
    Frame:
    Internal Frame
    Padding:
    Padded Back

    Gossamer Gear's new Gorilla 50 sees an additional 10L in capacity with an overall weight reduction on the previous version. This already ultralight rucksack is a great option for gram counters who still want a full feature set. Gossamer Gear says...

    £289.99
  • Levity 60 Litre Rucksack Levity 60 Litre Rucksack

    Osprey

    Levity 60 Litre Rucksack

    Weighs
    868g (based on size Medium)

    Capacity:
    60 Litres
    Weighs:
    868g (based on size Medium)
    Frame:
    Internal Frame
    Padding:
    No Padding

    The Osprey Levity packs are fully framed pack with a vented back panel and traditional 'lid with pocket' arrangement, yet come in well below the kg mark in terms of overall weight. Ample pockets and other features will also appeal to backpackers. Os…

    RRP: £199.99
    £179.99
  • Top Pick
    Mariposa 60 Rucksack Mariposa 60 Rucksack

    Gossamer Gear

    Mariposa 60 Rucksack

    Weighs
    904g (based on size Medium)

    Capacity:
    60 Litres
    Weighs:
    904g (based on size Medium)
    Frame:
    Internal Frame
    Padding:
    Padded Back
    UOG Top Picks:
    Yes

    UOG TOP PICK - Gossamer Gear Mariposa 60 Rucksack - We've singled out Gossamer Gear's Mariposa 60 as one of our top recommendations because it is the lightest weight pack with a large 60L capacity. Lots of features show off this pack as being practic…

    £309.99
  • Swift V Rucksack Swift V Rucksack

    Six Moon Designs

    Swift V Rucksack

    Weighs
    910g

    Capacity:
    49 Litres
    Weighs:
    910g
    Frame:
    Internal Frame
    Padding:
    No Padding

    The Swift V is streamlined and efficient, just like the Swift X, but with a more budget-friendly price. The modular design means it easily configures to become your perfect pack for any adventure, be it a quick overnight trip or a calendar year tripl…

    £264.99 - £294.99
  • New
    Swift X Liteskin Rucksack Swift X Liteskin Rucksack

    Six Moon Designs

    Swift X Liteskin Rucksack

    Weighs
    915g

    Weighs:
    915g
    Capacity:
    49 Litres
    Frame:
    Internal Frame
    Padding:
    No Padding

    An updated classic, that now comes in a variety of configurations, meaning you get a pack , tailored to you. Six Moon Designs says:  Streamlined and efficient, the Swift X is designed to go where you go. The Swift X is a modern take on a time-te…

    £279.99 - £299.99
  • Top Pick
    Trailblazer 44 Litre Rucksack Trailblazer 44 Litre Rucksack

    Montane

    Trailblazer 44 Litre Rucksack

    Weighs
    990g

    Capacity:
    44 Litres
    Weighs:
    990g
    Frame:
    Internal Frame
    Padding:
    Padded Back
    UOG Top Picks:
    Yes

    UOG TOP PICK - Montane's Trailblazer 44 Rucksack - A fast and light pack with a high capacity - We've singled out Montane's Trailblazer 44 Litre Rucksack as one of our top recommendations because it's very lightweight, offers a really good capacity..…

    RRP: £109.99
    £94.99
  • New
    Minimalist V2 Rucksack Minimalist V2 Rucksack

    Six Moon Designs

    Minimalist V2 Rucksack

    Weighs
    1004g

    Capacity:
    59L
    Frame:
    Frameless
    Padding:
    Padded Back
    Weighs:
    1004g

    The Minimalist V2 still has the perfect amount of space for all your gear and a lightweight suspension that adds just enough support but now with larger, more secure stash pockets. Six Moon Designs says:  Despite being called the Minimalist, thi…

    £259.99 - £289.99
  • Alpinisto 38 LT Rucksack Alpinisto 38 LT Rucksack

    Gregory

    Alpinisto 38 LT Rucksack

    Capacity:
    38 Litres
    Frame:
    Frameless
    Padding:
    Padded Back

    We're working out what we think - we'll add our view here! Gregory says: A minimalist approach pack, or a streamlined ascent pack, the Alpinisto 38 LT has enough space for long days, with the configurability to match the task at hand. Lightweight...

    RRP: £149.99
    £139.99
  • Circuit 68 Litre Rucksack Circuit 68 Litre Rucksack

    Ultralight Adventure Equipment

    Circuit 68 Litre Rucksack

    Weighs
    1088g

    Capacity:
    68 Litres
    Weighs:
    1088g
    Frame:
    Internal Frame
    Padding:
    Padded Back

    Don't Forget to order your hipbelt with this pack - CLICK HERE Previous versions of the Circuit have offered exceptional load carrying capabilities and on-trail function...a beautiful balance between comfort load support and weight. The `11 Circuit..…

    £329.99
  • Flex Capacitor 25-40L Rucksack Flex Capacitor 25-40L Rucksack

    Sierra Designs

    Flex Capacitor 25-40L Rucksack

    Weighs
    1106g (Sml/Med size)

    Capacity:
    40 Litres
    Weighs:
    1106g (Sml/Med size)
    Frame:
    Internal Frame
    Padding:
    Padded Back

    The Flex Capacitor is a modern classic, renowned for its light weight, class-leading versatility, and innovative features. This is the 25-40L version, an excellent size for everything from days out in the hills to self-supported weekends away. Sierr…

    RRP: £159.99
    £149.99
  • Lightning 45 Rucksack Lightning 45 Rucksack

    Exped

    Lightning 45 Rucksack

    Weighs
    1164g

    Capacity:
    45 Litres
    Weighs:
    1164g
    Frame:
    Internal Frame
    Padding:
    No Padding

    The hugely popular Lightning Pack from Exped has seen a significant update with new materials resulting in a lighter, tougher and more comfortable design. The adjustable nature and minimalist design make this a perfect option for fast and light...

    £134.99 - £154.99
  • Top Pick
    Flex Capacitor 40-60L Rucksack Flex Capacitor 40-60L Rucksack

    Sierra Designs

    Flex Capacitor 40-60L Rucksack

    Weighs
    1168g (Sml/Med size)

    UOG Top Picks:
    Yes
    Capacity:
    60 Litres
    Weighs:
    1168g (Sml/Med size)
    Frame:
    Internal Frame
    Padding:
    Padded Back

    UOG TOP PICK - Sierra Designs Flex Capacitor - We've singled out Sierra Designs Flex Capacitor as one of our top recommendations because it is one of the most versatile packs with a capacity that can be adjusted from 40 to 60L. Some great design feat…

    RRP: £174.99
    £164.99
  • Lightning 60 Rucksack

    Exped

    Lightning 60 Rucksack

    Weighs
    1180g

    Capacity:
    60L
    Frame:
    Internal Frame
    Padding:
    No Padding
    Weighs:
    1180g
    UOG Top Picks:
    Yes

    The hugely popular Lightning Pack from Exped has seen a significant update with new materials resulting in a lighter, tougher and more comfortable design. The adjustable nature and minimalist design has been retained and this version will undoubtedly…

    RRP: £174.99
    £149.99
  • Flex Capacitor 60-75L Rucksack Flex Capacitor 60-75L Rucksack

    Sierra Designs

    Flex Capacitor 60-75L Rucksack

    Weighs
    1228g (Sml/Med size)

    Capacity:
    60 + Litres
    Weighs:
    1228g (Sml/Med size)
    Frame:
    Internal Frame
    Padding:
    Padded Back

    The Flex Capacitor is a modern classic, renowned for its light weight, class-leading versatility, and innovative features. This is the 60-75L version, an ideal expedition pack for anyone on a multiday adventure from beginners to group leader through …

    RRP: £189.99
    £174.99
  • 2022 Womens Eja 58 Rucksack 2022 Womens Eja 58 Rucksack

    Osprey

    2022 Womens Eja 58 Rucksack

    Weighs
    1240g (Med/Lge size)

    Eco Initiatives:
    Recycled Content
    Rucksack Filters:
    Padded Back, Internal Frame
    Capacity:
    58 Litres
    Weighs:
    1240g (Med/Lge size)
    Frame:
    Internal Frame
    Padding:
    Suspended Back System

    We're working out what we think - we'll add our view here! Osprey says For the perfect women's pack to carry when every ounce matters but you still need to count on your backpacking pack for a supportive carry, the Eja is just the ticket. The Eja 58…

    RRP: £179.99
    £164.99
  • Stout 45 Rucksack Stout 45 Rucksack

    Gregory

    Stout 45 Rucksack

    Weighs
    1306g

    Eco Initiatives:
    Recycled Content
    Capacity:
    45 Litres
    Weighs:
    1306g
    Frame:
    Internal Frame
    Padding:
    Padded Back

    The Stout range is rugged and practical. The adjustable back length allows you to get the best fit possible while generous padding and a well thought out design maximise comfort. This 45L version is ideal for shorter trips, like weekend escapes. Gre…

    RRP: £149.99
    £139.99
  • Womens Amber 44 Rucksack Womens Amber 44 Rucksack

    Gregory

    Womens Amber 44 Rucksack

    Weighs
    1348g

    Weighs:
    1348g
    Capacity:
    44 Litres
    Frame:
    Internal Frame
    Padding:
    Padded Back

    We're working out what we think - we'll add our view here! Gregory says: Ideal for summer overnights, the Amber 44 can be the bag you take out for the day as well. Supported by the adjustable VersaFit suspension and with the included raincover, this…

    RRP: £149.99
    £139.99
  • Focal 58 Rucksack Focal 58 Rucksack

    Gregory

    Focal 58 Rucksack

    Capacity:
    58 Litres
    Frame:
    Internal Frame
    Padding:
    Padded Back

    We're working out what we think - we'll add our view here! Gregory says: Ultralight performance with only the features you need (and none that you don't). The Focal 58L combines superlight, recycled fabrics with a fully ventilated, dynamic suspensio…

    RRP: £194.99
    £179.99
  • New
    Zulu 40 Rucksack Zulu 40 Rucksack

    Gregory

    Zulu 40 Rucksack

    Weighs
    1364g (Medium/Large)

    Capacity:
    40L
    Frame:
    Internal Frame
    Padding:
    No Padding
    Weighs:
    1364g (Medium/Large)

    The Zulu range is packed full of innovative and practical features which are then combined with a very comfortable fit to make this pack great for a range of trips. This 40L version is ideal for fast and light overnight adventures...

    RRP: £154.99
    £142.99
  • Top Pick
    Womens Blaze 60 Rucksack Womens Blaze 60 Rucksack

    Granite Gear

    Womens Blaze 60 Rucksack

    Weighs
    1374g (Regular size)

    UOG Top Picks:
    Yes
    Capacity:
    60 Litres
    Weighs:
    1374g (Regular size)
    Frame:
    Internal Frame
    Padding:
    Padded Back

    UOG TOP PICK - Granite Gear Blaze 60 Rucksack - We've singled out Granite Gear's Blaze as one of our top recommendations because it is still a lightweight pack despite the fact that it is hardwearing and built to carry heavier loads. It is comfortabl…

    £259.99
  • Womens Perimeter 35 Litre Rucksack Womens Perimeter 35 Litre Rucksack

    Granite Gear

    Womens Perimeter 35 Litre Rucksack

    Weighs
    1408g (based on size Regular)

    Capacity:
    35 Litres
    Weighs:
    1408g (based on size Regular)
    Frame:
    Internal Frame
    Padding:
    Padded Back

    The Perimeter provides adjustability, versatility and comfort. This is a great pack that is top quality and uses a number of innovative features to enhance the fit and comfort for users.  Granite Gear says Body Diversity every person has a uniq…

    £164.99
  • Talon 55 Litre Rucksack Talon 55 Litre Rucksack

    Osprey

    Talon 55 Litre Rucksack

    Weighs
    1442g (Sml/Med size)

    Capacity:
    55 Litres
    Weighs:
    1442g (Sml/Med size)
    Frame:
    Frameless
    Padding:
    Padded Back

    The Talon is a hugely popular pack due to the successful combination practical features, low weight and excellent levels of comfort. The Talon 55 is a great pack for multi-day expeditions and overnight trips where you are packing extras for comfort. …

    RRP: £169.99
    £156.99
  • Womens Sirrus 36 Rucksack Womens Sirrus 36 Rucksack

    Osprey

    Womens Sirrus 36 Rucksack

    Weighs
    1448g

    Eco Initiatives:
    Recycled Content, Bluesign, PFC Free
    Rucksack Filters:
    Padded Back, Internal Frame
    Rucksack Capacity:
    36 Litres
    Weighs:
    1448g
    Frame:
    Internal Frame
    Padding:
    Suspended Back System

    We're working out what we think - we'll add our view here! Osprey says When day hikes stretch out into more committing endeavors, the Sirrus 36 women's hiking pack is the perfect in-mid-size option. Its top-loading design, topped by a fixed top lid,…

    RRP: £159.99
    £147.99
  • Perimeter 50 Litre Rucksack Perimeter 50 Litre Rucksack

    Granite Gear

    Perimeter 50 Litre Rucksack

    Weighs
    1500g (based on size Regular)

    Capacity:
    50 Litres
    Weighs:
    1500g (based on size Regular)
    Frame:
    Internal Frame
    Padding:
    Padded Back

    The Perimeter provides adjustability, versatility and comfort. This is a great pack that is top quality and uses a number of innovative features to enhance the fit and comfort for users.  Granite Gear says Body Diversity every person has a uniq…

    £194.99
  • Paragon 48 Rucksack Paragon 48 Rucksack

    Gregory

    Paragon 48 Rucksack

    Weighs
    1532g (Sml/Med size)

    Capacity:
    48 Litres
    Weighs:
    1532g (Sml/Med size)
    Padding:
    Padded Back
    Frame:
    Internal Frame

    The Paragon has been a staple in the range for some years. This 48L pack is surprisingly light for the wide range of features, high level of comfort, durability and carry capacity it delivers.  Gregory says A tight, versatile package for fast-p…

    RRP: £174.99
    £162.99
  • Womens Thunder 50 Rucksack Womens Thunder 50 Rucksack

    Exped

    Womens Thunder 50 Rucksack

    Weighs
    1536g

    Eco Initiatives:
    PFC Free
    Capacity:
    50 Litres
    Weighs:
    1536g
    Frame:
    Internal Frame
    Padding:
    Padded Back

    Exped have given the hugely popular Thunder a massive overhaul and it looks great! Updated style that has resulted in a lighter, tougher and more comfortable pack. Exped says Thunder is a trekking pack with a superb weight to volume/feature ratio. T…

    RRP: £209.99
    £179.99
  • Paragon 58 Rucksack Paragon 58 Rucksack

    Gregory

    Paragon 58 Rucksack

    Weighs
    1580g (Sml/Med size)

    Capacity:
    58 Litres
    Weighs:
    1580g (Sml/Med size)
    Padding:
    Padded Back
    Frame:
    Internal Frame

    The Paragon has been a staple in the range for some years. This 58L pack is surprisingly light for the wide range of features, high level of comfort, durability and carry capacity it delivers.  Gregory says Stay light on your feet with the Para…

    RRP: £194.99
    £179.99
  • Womens Thunder 70 Rucksack Womens Thunder 70 Rucksack

    Exped

    Womens Thunder 70 Rucksack

    Weighs
    1600g

    Eco Initiatives:
    PFC Free
    Capacity:
    70 Litres
    Weighs:
    1600g
    Frame:
    Internal Frame
    Padding:
    Padded Back

    Exped have given the hugely popular Thunder a massive overhaul and it looks great! Updated style that has resulted in a lighter, tougher and more comfortable pack. This 70L expedition version is ideal for any big adventure you have lined up. Exped sa…

    RRP: £214.99
    £194.99
  • Zulu 55 Rucksack Zulu 55 Rucksack

    Gregory

    Zulu 55 Rucksack

    Weighs
    1630g (Sml/Med size)

    Capacity:
    55L
    Frame:
    Internal Frame
    Padding:
    No Padding
    Weighs:
    1630g (Sml/Med size)

    The Zulu range is packed full of innovative and practical features which are then combined with a very comfortable fit to make this pack great for a range of trips. This 35L version is ideal for day trips and minimalist overnight camps. Gregory...

    £162.99
  • Stout 60 Rucksack Stout 60 Rucksack

    Gregory

    Stout 60 Rucksack

    Weighs
    1656g

    Eco Initiatives:
    Recycled Content
    Capacity:
    60 Litres
    Weighs:
    1656g
    Frame:
    Internal Frame
    Padding:
    Padded Back

    The Stout range is rugged and practical. The adjustable back length allows you to get the best fit possible while generous padding and a well thought out design maximise comfort. This 60L version is ideal for multi-day adventures. Gregory says Large.…

    RRP: £169.99
    £157.99
  • Womens Garnet 60 Litre Rucksack Womens Garnet 60 Litre Rucksack

    Big Agnes

    Womens Garnet 60 Litre Rucksack

    Weighs
    1694g

    Capacity:
    60 Litres
    Frame:
    Internal Frame
    Padding:
    Padded Back
    Weighs:
    1694g

    A vast 60 L rucksack with plenty of additional storage, for those who want a little more comfort on the trail. Big Agnes says:  You can pack lighter and faster with the Big Agnes Garnet 60L women’s pack. Packs for women, designed by women.…

    RRP: £249.99
    £229.99
  • Womens Amber 55 Rucksack Womens Amber 55 Rucksack

    Gregory

    Womens Amber 55 Rucksack

    Weighs
    1722g

    Weighs:
    1722g
    Capacity:
    55 Litres
    Frame:
    Internal Frame
    Padding:
    Padded Back

    We're working out what we think - we'll add our view here! Gregory says: At home in a slot canyon or the alpine, the Amber 55 carries all your gear without feeling cumbersome thanks to the adjustable VersaFit suspension. An included raincover provid…

    RRP: £169.99
    £157.99
  • Parkview 63 Litre Rucksack Parkview 63 Litre Rucksack

    Big Agnes

    Parkview 63 Litre Rucksack

    Weighs
    1775 (Medium)

    Capacity:
    63L
    Frame:
    Internal Frame
    Padding:
    No Padding
    Weighs:
    1775 (Medium)

    A vast 62L rucksack with plenty of additional storage, for those who want a little more comfort on the trail.  Big Agnes says:  You can pack lighter and faster with the Big Agnes Parkview 63L pack, built in two sizes, men's medium and large…

    RRP: £249.99
    £229.99
  • Womens Ariel Pro 65 Litre Rucksack Womens Ariel Pro 65 Litre Rucksack

    Osprey

    Womens Ariel Pro 65 Litre Rucksack

    Weighs
    1812g (based on size Medium)

    Capacity:
    65 Litres
    Weighs:
    1812g (based on size Medium)
    Frame:
    Internal Frame
    Padding:
    Padded Back

    For an expedition size pack made with highly durable yet lightweight fabrics the Women's Ariel Pro does a good job. The capacity of the pack means that it has to be good for carrying heavier loads and it certainly ticks that box.    Osprey …

    RRP: £319.99
    £289.99

Shop our wide range of the lightest backpacking rucksacks available. We have backpacking rucksacks from specialist ultralight suppliers such as Gossamer Gear, Granite Gear and Sierra Designs as well as 'lightest in class' backpackers from more established brands such as Osprey, Gregory and Exped.  

 

We provide accurate weights & full technical specifications. Get our honest verdict on each item along with verified user reviews & in-depth reviews from members of our team and our partners at Trek Scotland. Free UK+EU Delivery on orders over £15. Tracked Royal Mail Delivery as standard for UK orders.