• -1°C
    Sea to Summit Boab -1C/30F Synthetic Sleeping Bag Sea to Summit Boab -1C/30F Synthetic Sleeping Bag

    Sea to Summit

    Boab -1C/30F Synthetic Sleeping Bag

    Weighs
    1374g
    Weighs:
    1374g (Regular)
    Comfort Limit:
    -1°C
    Type:
    Mummy
    Insulation Type:
    Synthetic
    Zip Length:
    Full Length
    Zip Position:
    Right Zip

    The Boab balances comfort with conscious design. Sea to Summit says:  The Boab is a great choice for campers and vehicle-based adventurers looking for a roomy, comfort-oriented sleeping bag. A #5 zipper continues through the footbox, and the dou…

    From: £109.99
    RRP: £129.99 | Save: £20.00
  • -12C
    Ascent -12C / 10F Down Sleeping Bag Ascent -12C / 10F Down Sleeping Bag

    Rab

    Ascent -12C / 10F Down Sleeping Bag

    Weighs
    1376g
    Weighs:
    1376g (Regular)
    Comfort Limit:
    -12C
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    680g (based on regular size)
    Fill Power:
    650
    Down Treatment:
    Hydrophobic
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip

    A warm, reliable down sleeping bag designed for extended three-season and colder conditions Rab says:  Warm, robust, and reliable down-filled sleeping bag for regular mountain use. Built to prioritise comfort with a wide mummy shape, roomy footb…

    From: £319.99
    RRP: £359.99 | Save: £40.00
  • -5°C
    Sierra Designs Night Cap 20 Synthetic Sleeping Bag Sierra Designs Night Cap 20 Synthetic Sleeping Bag

    Sierra Designs

    Night Cap 20 Synthetic Sleeping Bag

    Weighs
    1388g
    Weighs:
    1388g (Regular)
    Comfort Limit:
    -5°C
    Type:
    Mummy
    Insulation Type:
    Synthetic
    Zip Length:
    No Zip

    The Night Cap is based on the hugely popular Cloud with the same innovative zipless opening with oversized comforter really works especially for people who move around during the night, people looking for extra room and quick temperature control. Si…

    From: £149.99
    RRP: £189.99 | Save: £40.00
  • -12C
    Womens Ascent -12C / 10F Down Sleeping Bag Womens Ascent -12C / 10F Down Sleeping Bag

    Rab

    Womens Ascent -12C / 10F Down Sleeping Bag

    Weighs
    1389g
    Weighs:
    1389g (Regular)
    Comfort Limit:
    -12C
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    680g (based on regular size)
    Fill Power:
    650
    Down Treatment:
    Hydrophobic
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip

    A warm, reliable down sleeping bag designed for extended three-season and colder conditions Rab says:  Warm, robust, and reliable down-filled sleeping bag for regular mountain use. Built to prioritise comfort with a wide mummy shape, roomy footb…

    From: £319.99
    RRP: £359.99 | Save: £40.00
  • -9°C
    Sea to Summit Trek -9C Down Sleeping Bag Sea to Summit Trek -9C Down Sleeping Bag

    Sea to Summit

    Trek -9C Down Sleeping Bag

    Weighs
    1401g
    Weighs:
    1401g (Regular)
    Comfort Limit:
    -9°C
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    635g (based on regular size)
    Fill Power:
    650
    Down Treatment:
    Hydrophobic
    Zip Length:
    Full Length
    Zip Position:
    Left Zip

    The Sea to Summit Trek -9°C Down Sleeping Bag offers comfort and reliability for camping and overnight adventures. Its semi-rectangular fit provides ample space for a cosy night's sleep. The bag is designed for cold climates and keeps you comfort…

    From: £314.99
    RRP: £369.99 | Save: £55.00
  • -15ºC
    Womens Riff 15F Down Sleeping Bag Womens Riff 15F Down Sleeping Bag

    Nemo

    Womens Riff 15F Down Sleeping Bag

    Weighs
    1455g
    Weighs:
    1455g (Regular)
    Comfort Limit:
    -15ºC
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    845g (based on regular size)
    Fill Power:
    800
    Down Treatment:
    Hydrophobic
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip

    Nemo's Riff 15F provides much-needed space for restless sleepers without adding weight. The premium down and ventilation system ensures warmth and comfort. The durable construction and packability make it an excellent choice for ultralight backpackin…

    From: £339.99
    RRP: £399.99 | Save: £60.00
  • -1°C
    Sea to Summit Womens Hamelin -1C/30F Synthetic Sleeping Bag Sea to Summit Womens Hamelin -1C/30F Synthetic Sleeping Bag

    Sea to Summit

    Womens Hamelin -1C/30F Synthetic Sleeping Bag

    Weighs
    1479g
    Weighs:
    1479g (Regular)
    Comfort Limit:
    -1°C
    Type:
    Mummy
    Insulation Type:
    Synthetic
    Zip Length:
    Full Length
    Zip Position:
    Left Zip

    Versatile, roomy, and reliably warm. Sea to Summit says:  A women’s-specific backpack-capable sleeping bag that provides a higher level of comfort than unisex mummy bags. The higher weight compared to a down bag is balanced by the benefits…

    From: £144.99
    RRP: £169.99 | Save: £25.00
  • -8°C
    Forte 20F/-7C Synthetic Sleeping Bag Forte 20F/-7C Synthetic Sleeping Bag

    Nemo

    Forte 20F/-7C Synthetic Sleeping Bag

    Weighs
    1509g
    Weighs:
    1509g (Regular)
    Comfort Limit:
    -8°C
    Type:
    Mummy
    Insulation Type:
    Synthetic
    Zip Length:
    Full Length
    Zip Position:
    Left Zip

    We're working out what we think - we'll add our view here!  Nemo says:  The inaugural product that launched our Endless Promise® Collection, Forte is a beloved 3-season bag for the backcountry. Featuring high-performance synthetic fill …

    From: £199.99
    RRP: £219.99 | Save: £20.00
  • -18°C
    Womens Ascent -18C / 0F Down Sleeping Bag Womens Ascent -18C / 0F Down Sleeping Bag

    Rab

    Womens Ascent -18C / 0F Down Sleeping Bag

    Weighs
    1518g
    Weighs:
    1518g (Regular)
    Comfort Limit:
    -18°C
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    880g (based on regular size)
    Fill Power:
    650
    Down Treatment:
    Hydrophobic
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip

    A very warm, reliable down sleeping bag designed for winter and extreme cold conditions Rab says:  Warm, robust, and reliable down-filled sleeping bag for regular mountain use. Built to prioritise comfort with a wide mummy shape, roomy footbox, …

    From: £349.99
    RRP: £389.99 | Save: £40.00
  • -5°C
    Abisko Three Seasons Synthetic Sleeping Bag Abisko Three Seasons Synthetic Sleeping Bag

    Fjallraven

    Abisko Three Seasons Synthetic Sleeping Bag

    Weighs
    1535g
    Weighs:
    1535g (Regular)
    Comfort Limit:
    -5°C
    Type:
    Mummy
    Insulation Type:
    Synthetic
    Zip Length:
    Full Length
    Zip Position:
    Left Zip

    Well-built, damp-resistant, and comfortable through spring to autumn, this synthetic bag prioritises reliability and space over minimalism. Fjallraven says:  Comfortable, three-season synthetic sleeping bag for hiking and trekking adventures...

    From: £164.99
    RRP: £194.99 | Save: £30.00
  • -20°C
    Polar Ranger -20F/-30C Down Sleeping Bag Polar Ranger -20F/-30C Down Sleeping Bag

    Thermarest

    Polar Ranger -20F/-30C Down Sleeping Bag

    Weighs
    1538g
    Weighs:
    1538g (Regular)
    Comfort Limit:
    -20°C
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    970g (based on regular size)
    Fill Power:
    800
    Down Treatment:
    Hydrophobic
    Zip Length:
    3/4 Length
    Zip Position:
    Centre Zip

    We're working out what we think - we'll add our view here!  Thermarest says:  The lightest, most feature-rich down sleeping bag for high-performance in the extreme cold. Designed in conjunction with renowned polar explorer Eric Larsen, the.…

    From: £704.99
    RRP: £829.99 | Save: £125.00
  • -18°C
    Sonic 0 Down Sleeping Bag Sonic 0 Down Sleeping Bag

    Nemo

    Sonic 0 Down Sleeping Bag

    Weighs
    1544g
    Weighs:
    1544g (Regular)
    Comfort Limit:
    -18°C
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    790g
    Fill Power:
    800
    Down Treatment:
    Hydrophobic
    Zip Length:
    790g
    Zip Position:
    Left Zip

    A cold weather bag packed with high-quality down and technical features to keep you warm throughout the night. Nemo says:  Built to be the only bag you need from -20°F to 40°F, we’ve updated our Backpacker Editors’ Choice...

    From: £519.99
    RRP: £599.99 | Save: £80.00
  • -18°C
    Alpine -18C / 0F Down Sleeping Bag Alpine -18C / 0F Down Sleeping Bag

    Rab

    Alpine -18C / 0F Down Sleeping Bag

    Weighs
    1601g
    Weighs:
    1601g (Regular)
    Comfort Limit:
    -18°C
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    880g (based on regular size)
    Fill Power:
    650
    Down Treatment:
    Hydrophobic
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip

    A technical, close-fitting down sleeping bag designed for efficient warmth in extreme cold conditions Rab says:  Slim-fitting, technical down sleeping bag blending comfort, packability, and performance. Built with 650FP duck down and L.O.F.T&tra…

    From: £339.99
    RRP: £379.99 | Save: £40.00
  • -12°C
    2026 Womens Forte 20F/-7C Synthetic Sleeping Bag 2026 Womens Forte 20F/-7C Synthetic Sleeping Bag

    Nemo

    2026 Womens Forte 20F/-7C Synthetic Sleeping Bag

    Weighs
    1715g
    Weighs:
    1715g (Regular)
    Comfort Limit:
    -12°C
    Type:
    Mummy
    Insulation Type:
    Synthetic
    Zip Length:
    Full Length
    Zip Position:
    Left Zip

    We're working out what we think - we'll add our view here!  Nemo says:  The inaugural product that launched our Endless Promise® Collection, Forte is a beloved 3-season bag for the backcountry. Featuring high-performance synthetic fill …

    From: £199.99
    RRP: £219.99 | Save: £20.00
  • -24°C
    Ascent -24C / -11F Down Sleeping Bag Ascent -24C / -11F Down Sleeping Bag

    Rab

    Ascent -24C / -11F Down Sleeping Bag

    Weighs
    1848g
    Weighs:
    1848g (Regular)
    Comfort Limit:
    -24°C
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    1080g (based on regular size)
    Fill Power:
    650
    Down Treatment:
    Hydrophobic
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip

    A maximum warmth, expedition-ready down sleeping bag designed for extreme cold conditions Rab says:  Ultra-warm and robust down-filled sleeping bag providing reliable protection for cold conditions. Built to prioritise comfort with a wide mummy.…

    From: £374.99
    RRP: £419.99 | Save: £45.00
  • -9°C
    Sea to Summit Boab -9C/15F Synthetic Sleeping Bag Sea to Summit Boab -9C/15F Synthetic Sleeping Bag

    Sea to Summit

    Boab -9C/15F Synthetic Sleeping Bag

    Weighs
    1854g
    Weighs:
    1854g (Regular)
    Comfort Limit:
    -9°C
    Type:
    Mummy
    Insulation Type:
    Synthetic
    Zip Length:
    Full Length
    Zip Position:
    Left Zip

    The Boab balances comfort with conscious design. Sea to Summit says:  The Boab is a great choice for campers and vehicle-based adventurers looking for a roomy, comfort-oriented sleeping bag. A #5 zipper continues through the footbox, and the dou…

    From: £124.99
    RRP: £149.99 | Save: £25.00
  • -9°C
    Sea to Summit Womens Hamelin -9C/15F Synthetic Sleeping Bag Sea to Summit Womens Hamelin -9C/15F Synthetic Sleeping Bag

    Sea to Summit

    Womens Hamelin -9C/15F Synthetic Sleeping Bag

    Weighs
    1953g
    Weighs:
    1953g (Regular)
    Comfort Limit:
    -9°C
    Type:
    Mummy
    Insulation Type:
    Synthetic
    Zip Length:
    Full Length
    Zip Position:
    Right Zip

    Versatile, roomy, and reliably warm. Sea to Summit says:  A backpack-capable sleeping bag with a higher level of comfort than traditional mummy bags. For a few extra grams and larger packed size, Hamelin brings the benefits of synthetic insulati…

    From: £159.99
    RRP: £189.99 | Save: £30.00

Shop our wide range of the lightest Sleeping Bags and Quilts available, we have Sleeping Bags from specialist lightweight suppliers such as Big Agnes, Nemo and Sierra Designs as well as 'lightest in class' bags from more established brands such as Rab, Mountain Equipment, Sea to Summit and Thermarest.  We also have a full range of Pillows, Sleeping Bag Liners and other Accessories for your sleep system.

 

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.