Choosing the right sleeping bag is so important, you need a good night's sleep on a multi-day trek and to guarantee that your sleeping bag needs to be warm enough and feel comfortable for sleeping in. Read our opinion on each sleeping bag here and check out our guides on how to choose one - all the links are on the product pages.

  • 4°C
    Sea to Summit Womens Spark 7C/45F Down Sleeping Bag Sea to Summit Womens Spark 7C/45F Down Sleeping Bag

    Sea to Summit

    Womens Spark 7C/45F Down Sleeping Bag

    Weighs
    411g
    Weighs:
    411g (Regular)
    Comfort Limit:
    4°C
    Type:
    Mummy
    Insulation Type:
    Down
    Down Treatment:
    Hydrophobic
    Fill Weight:
    200g (based on regular size)
    Fill Power:
    850
    Zip Length:
    1/2 Length
    Zip Position:
    Right Zip

    Sea to Summit have redesigned its renowned Spark sleeping bag line, featuring high-quality materials and ethically sourced down. Now featuring waterproof material at the hood and foot box for increased protection from condensation. Sea to Summit...

    From: £269.99
    RRP: £299.99 | Save: £30.00
  • -1°C
    Sea to Summit Womens Spark -1C/30F Down Sleeping Bag Sea to Summit Womens Spark -1C/30F Down Sleeping Bag

    Sea to Summit

    Womens Spark -1C/30F Down Sleeping Bag

    Weighs
    591g
    Weighs:
    591g (Regular)
    Comfort Limit:
    -1°C
    Type:
    Mummy
    Insulation Type:
    Down
    Down Treatment:
    Hydrophobic
    Fill Weight:
    375g (based on regular size)
    Fill Power:
    850
    Zip Length:
    1/2 Length
    Zip Position:
    Right Zip

    Sea to Summit have redesigned its renowned Spark sleeping bag line, featuring high-quality materials and ethically sourced down. Now featuring waterproof material at the hood and foot box for increased protection from condensation. Sea to Summit...

    From: £359.99
    RRP: £399.99 | Save: £40.00
  • 2°C
    Mountain Equipment 2022 Womens Helium 250 Down Sleeping Bag Mountain Equipment 2022 Womens Helium 250 Down Sleeping Bag

    Mountain Equipment

    Womens Helium 250 Down Sleeping Bag

    Weighs
    617g
    Weighs:
    617g
    Fill Power:
    700
    Fill Weight:
    242g (based on size Regular)
    Down Treatment:
    Standard
    Comfort Limit:
    2°C
    Insulation Type:
    Down
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    Type:
    Mummy

    Mountain Equipment's Women's Helium 250 sleeping bag is from their 'Women's Helium' series of bags which hit a sweetspot for trekking and backpacking, very technical with high warmth to weight ratios they are many hikers 'goto' bag. Mountain Equipmen…

    From: £209.99
    RRP: £249.99 | Save: £40.00
  • -6°C
    Mountain Equipment 2022 Womens Helium 400 Down Sleeping Bag Mountain Equipment 2022 Womens Helium 400 Down Sleeping Bag

    Mountain Equipment

    Womens Helium 400 Down Sleeping Bag

    Weighs
    762g
    Weighs:
    762g
    Fill Power:
    700
    Fill Weight:
    367g (based on size Regular)
    Down Treatment:
    Standard
    Comfort Limit:
    -6°C
    Insulation Type:
    Down
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    Type:
    Mummy

    Mountain Equipment's Women’s Helium 400 sleeping bag is from their 'Women’s Helium' series of bags which hit a sweetspot for trekking and backpacking, very technical with high warmth to weight ratios they are many hikers 'goto' bag Mounta…

    £254.99
    RRP: £299.99 | Save: £45.00
  • -1°C
    Rab Womens Solar Eco 2 Synthetic Sleeping Bag Rab Womens Solar Eco 2 Synthetic Sleeping Bag

    Rab

    Womens Solar Eco 2 Synthetic Sleeping Bag

    Weighs
    922g
    Weighs:
    922g
    Comfort Limit:
    -1°C
    Insulation Type:
    Synthetic
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    Type:
    Mummy

    Rab's Solar Eco sleeping bags combine recycled synthetic materials and cutting edge technology to produce performance bags that are also eco friendly. The Solar Eco bags have a bit more space than their higher performing Solar Ultra cousins. Rab...

    £156.99
    RRP: £184.99 | Save: £28.00
  • -9C
    Sea to Summit Womens Spark -9C/15F Down Sleeping Bag Sea to Summit Womens Spark -9C/15F Down Sleeping Bag

    Sea to Summit

    Womens Spark -9C/15F Down Sleeping Bag

    Weighs
    947g
    Weighs:
    947g (Regular)
    Comfort Limit:
    -9C
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    685g (based on regular size)
    Fill Power:
    850
    Down Treatment:
    Hydrophobic
    Zip Length:
    3/4 Length
    Zip Position:
    Right Zip

    Sea to Summit have redesigned its renowned Spark sleeping bag line, featuring high-quality materials and ethically sourced down. Now featuring waterproof material at the hood and foot box for increased protection from condensation. Sea to Summit...

    From: £439.99
    RRP: £489.99 | Save: £50.00
  • -11°C
    Mountain Equipment 2022 Womens Helium 600 Down Sleeping Bag Mountain Equipment 2022 Womens Helium 600 Down Sleeping Bag

    Mountain Equipment

    Womens Helium 600 Down Sleeping Bag

    Weighs
    948g
    Weighs:
    948g
    Fill Power:
    700
    Fill Weight:
    547g (based on size Regular)
    Down Treatment:
    Standard
    Comfort Limit:
    -11°C
    Insulation Type:
    Down
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    Type:
    Mummy

    Mountain Equipment's Women’s Helium 600 sleeping bag is from their 'Women’s Helium' series of bags which hit a sweetspot for trekking and backpacking, very technical with high warmth to weight ratios they are many hikers 'goto' bag. Mount…

    From: £299.99
    RRP: £349.99 | Save: £50.00
  • -1 °C
    Womens Riff 30F Down Sleeping Bag Womens Riff 30F Down Sleeping Bag

    Nemo

    Womens Riff 30F Down Sleeping Bag

    Weighs
    1015g
    Weighs:
    1015g (Regular)
    Comfort Limit:
    -1 °C
    Type:
    Mummy
    Fill Weight:
    455g
    Fill Power:
    800
    Down Treatment:
    Hydrophobic
    Zip Length:
    3/4 Length
    Zip Position:
    Right Zip

    We're working out what we think - we'll add our view here!  Nemo says:  A pinnacle-performance 3-season 800 FP down bag, Riff offers a trim, athletic cut designed for side sleepers who crave space-saving packability. NEMO’s iconic...

    £334.99
    RRP: £359.99 | Save: £25.00
  • -12°C
    Rab 2022 Womens Neutrino 600 Down Sleeping Bag Rab 2022 Womens Neutrino 600 Down Sleeping Bag

    Rab

    Womens Neutrino 600 Down Sleeping Bag

    Weighs
    1021g
    Weighs:
    1021g
    Fill Power:
    800
    Down Fill Weight:
    600g (based on size Regular)
    Down Treatment:
    Hydrophobic
    Comfort Limit:
    -12°C
    Insulation Type:
    Down
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    Type:
    Mummy

    UOG TOP PICK - Womens Neutrino 600 Down Sleeping Bag Rab's Neutrino range features 800 Fill Power down intelligently baffled and a Tapered Mummy shape for an excellent warmth to weight ratio. An excellent all-round bag for trekking or fast & ligh…

    £424.99
    RRP: £499.99 | Save: £75.00
  • -1 °C
    Womens Disco 30F Down Sleeping Bag Womens Disco 30F Down Sleeping Bag

    Nemo

    Womens Disco 30F Down Sleeping Bag

    Weighs
    1041g
    Weighs:
    1041g (Regular)
    Comfort Limit:
    -1 °C
    Type:
    Mummy
    Fill Weight:
    515g
    Fill Power:
    650
    Down Treatment:
    Hydrophobic
    Zip Length:
    3/4 Length
    Zip Position:
    Right Zip

    We're working out what we think - we'll add our view here!  Nemo says:  The reigning favorite down bag for backpackers, Disco features the best-of-all-worlds Classic Spoon™ silhouette for ultimate side-sleeping comfort. NEMO’s..…

    From: £259.99
    RRP: £279.99 | Save: £20.00
  • -5°C
    Rab 2022 Womens Ascent 500 Down Sleeping Bag Rab 2022 Womens Ascent 500 Down Sleeping Bag

    Rab

    Womens Ascent 500 Down Sleeping Bag

    Weighs
    1054g
    Weighs:
    1054g
    Fill Power:
    650
    Fill Weight:
    500g (based on size Regular)
    Down Treatment:
    Hydrophobic
    Comfort Limit:
    -5°C
    Insulation Type:
    Down
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    Type:
    Mummy

    Rab's Ascent range uses 650 Fill Power down contained in technical baffles to create sleeping bags with very respectable warmth to weight ratios despite them being a more comfortable shape than the more performance orientated bags. Rab says: A 650FP …

    £254.99
    RRP: £299.99 | Save: £45.00
  • -7°C
    Big Agnes Womens Greystone 20 Down Sleeping Bag Big Agnes Womens Greystone 20 Down Sleeping Bag

    Big Agnes

    Womens Greystone 20 Down Sleeping Bag

    Weighs
    1071g
    Weighs:
    1071g
    Comfort Limit:
    -7°C
    Insulation Type:
    Down
    Fill Weight:
    624g
    Fill Power:
    600
    Down Treatment:
    Hydrophobic
    Zip Position:
    Right Zip
    Type:
    Mummy

    Womens Greystone 20 Down Sleeping Mummy Bag is designed for Women. 625g of Down Tek™ and a fill power of 600 gives a comfort limit of -7°C which is a good warmth to weight ratio for a bag weighing just over 1kg. Big Agnes says:  Our...

    £264.99
    RRP: £309.99 | Save: £45.00
  • -15°C
    Mountain Equipment Womens Helium 800 Down Sleeping Bag Mountain Equipment Womens Helium 800 Down Sleeping Bag

    Mountain Equipment

    Womens Helium 800 Down Sleeping Bag

    Weighs
    1132g
    Weighs:
    1132g
    Fill Power:
    700
    Fill Weight:
    734g (based on size Regular)
    Down Treatment:
    Standard
    Comfort Limit:
    -15°C
    Insulation Type:
    Down
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    Type:
    Mummy

    Mountain Equipment's Women’s Helium 800 sleeping bag is from their 'Women’s Helium' series of bags which hit a sweetspot for trekking and backpacking, very technical with high warmth to weight ratios they are many hikers 'goto' bag. Mount…

    £339.99
    RRP: £399.99 | Save: £60.00
  • -4°C
    Rab Womens Solar Ultra 2 Synthetic Sleeping Bag Rab Womens Solar Ultra 2 Synthetic Sleeping Bag

    Rab

    Womens Solar Ultra 2 Synthetic Sleeping Bag

    Weighs
    1165g
    Weighs:
    1165g
    Comfort Limit:
    -4°C
    Insulation Type:
    Synthetic
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    Type:
    Mummy

    Rab's Solar Ultra sleeping bags are higher performing than the Solar Eco and combine recycled synthetic materials and cutting edge technology to produce performance bags that are also eco friendly. Rab says: Combining advanced construction and heat.…

    £199.99
    RRP: £209.95 | Save: £9.96
  • -5°C
    Mountain Equipment Womens Klimatic III Synthetic Sleeping Bag Mountain Equipment Womens Klimatic III Synthetic Sleeping Bag

    Mountain Equipment

    Womens Klimatic III Synthetic Sleeping Bag

    Weighs
    1200g
    Weighs:
    1200g (Regular)
    Comfort Limit:
    -5°C
    Type:
    Mummy
    Insulation Type:
    Synthetic
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip

    We're working out what we think - we'll add our view here!  Mountain Equipment says:  A warm and efficient bag using 90% recycled POLARLOFT® insulation and 100% recycled fabrics. Perfect for cooler conditions and trekking at higher...

    £154.99
    RRP: £179.99 | Save: £25.00
  • -2°C
    Sea to Summit Womens Trek -1C Down Sleeping Bag Sea to Summit Womens Trek -1C Down Sleeping Bag

    Sea to Summit

    Womens Trek -1C Down Sleeping Bag

    Weighs
    1226g
    Weighs:
    1226g (Regular)
    Comfort Limit:
    -2°C
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    520g (based on regular size)
    Fill Power:
    650
    Down Treatment:
    Hydrophobic
    Zip Length:
    Full Length
    Zip Position:
    Right Zip

    We're working out what we think - we'll add our view here!  Sea to Summit says:  The Trek Down Sleeping Bag is the perfect option for vehicle-based travels and overnight camping. With 650+ FILL Power, this versatile and spacious bag uses an…

    £289.99
    RRP: £319.99 | Save: £30.00
  • -9°C
    Sea to Summit Womens Ascent -9C Down Sleeping Bag Sea to Summit Womens Ascent -9C Down Sleeping Bag

    Sea to Summit

    Womens Ascent -9C Down Sleeping Bag

    Weighs
    1242g
    Weighs:
    1242g (Regular)
    Comfort Limit:
    -9°C
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    797g (based on regular size)
    Fill Power:
    750
    Down Treatment:
    Hydrophobic
    Zip Length:
    Full Length
    Zip Position:
    Right Zip

    We're working out what we think - we'll add our view here!  Sea to Summit says:  The Ascent Sleeping Bag is the most versatile in our sleep range and is suited to a multitude of climates, conditions, and adventures. From long distance hikin…

    From: £404.99
    RRP: £449.99 | Save: £45.00
  • 2°C
    Nemo 2023 Womens Forte 35 Synthetic Sleeping Bag Nemo 2023 Womens Forte 35 Synthetic Sleeping Bag

    Nemo

    Womens Forte 35 Synthetic Sleeping Bag

    Weighs
    1252g
    Weighs:
    1252g (Regular Size)
    Comfort Limit:
    2°C
    Insulation Type:
    Synthetic
    Zip Length:
    Full Length
    Zip Position:
    Right
    Type:
    Wide

    This spoon-shaped backpacking bag is designed for side sleepers, with generous room at elbows and knees, and allows for maximum temperature regulation with Nemo's award-winning Thermo Gills feature. Nemo says:  Seventy percent of people sleep on…

    From: £164.99
    RRP: £179.99 | Save: £15.00
  • -9°C
    Rab 2022 Womens Ascent 700 Down Sleeping Bag Rab 2022 Womens Ascent 700 Down Sleeping Bag

    Rab

    Womens Ascent 700 Down Sleeping Bag

    Weighs
    1253g
    Weighs:
    1253g
    Fill Power:
    650
    Fill Weight:
    700g (based on size Regular)
    Down Treatment:
    Hydrophobic
    Comfort Limit:
    -9°C
    Insulation Type:
    Down
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    Type:
    Mummy

    Rab's Ascent range uses 650 Fill Power down contained in technical baffles to create sleeping bags with very respectable warmth to weight ratios despite them being a more comfortable shape than the more performance orientated bags. Rab says: A warm,.…

    £271.99
    RRP: £319.99 | Save: £48.00
  • -9 °C
    Womens Disco 15F Down Sleeping Bag Womens Disco 15F Down Sleeping Bag

    Nemo

    Womens Disco 15F Down Sleeping Bag

    Weighs
    1263g
    Weighs:
    1263g (Regular)
    Comfort Limit:
    -9 °C
    Type:
    Mummy
    Fill Weight:
    910 (based on regular size)
    Fill Power:
    650
    Down Treatment:
    Hydrophobic
    Zip Length:
    3/4 Length
    Zip Position:
    Right Zip

    We're working out what we think - we'll add our view here!  Nemo says:  The reigning favorite down bag for backpackers, Disco features the best-of-all-worlds Classic Spoon™ silhouette for ultimate side-sleeping comfort. NEMO’s..…

    From: £297.99
    RRP: £319.99 | Save: £22.00
  • -19°C
    Rab Womens Andes Infinium 800 Down Sleeping Bag Rab Womens Andes Infinium 800 Down Sleeping Bag

    Rab

    Womens Andes Infinium 800 Down Sleeping Bag

    Weighs
    1361g
    Weighs:
    1361g
    Fill Power:
    800
    Down Treatment:
    Hydrophobic
    Comfort Limit:
    -19°C
    Insulation Type:
    Down
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    Type:
    Mummy

    Rab's Andes Infinium bags are their Expedition class bags, filled with premium 800 Fill Power down contained within trapezoidal boxwall baffles with a differential cut to eliminate cold spots. Rab says: Combining 800FP goose down with heat reflective…

    £721.99
    RRP: £849.99 | Save: £128.00
  • -6°C
    Rab Womens Solar Ultra 3 Synthetic Sleeping Bag Rab Womens Solar Ultra 3 Synthetic Sleeping Bag

    Rab

    Womens Solar Ultra 3 Synthetic Sleeping Bag

    Weighs
    1445g
    Weighs:
    1445g
    Comfort Limit:
    -6°C
    Insulation Type:
    Synthetic
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    Type:
    Mummy

    Rab's Solar Ultra sleeping bags are higher performing than the Solar Eco and combine recycled synthetic materials and cutting edge technology to produce performance bags that are also eco friendly. Rab says: Combining advanced construction and heat.…

    £216.99
    RRP: £254.99 | Save: £38.00
  • -9ºC
    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:
    -9ºC
    Type:
    Mummy
    Fill Weight:
    845g
    Fill Power:
    800
    Down Treatment:
    Hydrophobic
    Zip Length:
    3/4 Length
    Zip Position:
    Left

    We're working out what we think - we'll add our view here!  Nemo says:  A pinnacle-performance 3-season 800 FP down bag, Riff offers a trim, athletic cut designed for side sleepers who crave space-saving packability. NEMO’s iconic...

    £369.99
    RRP: £399.99 | Save: £30.00
  • -16°C
    Sea to Summit Womens Trek -9C Down Sleeping Bag Sea to Summit Womens Trek -9C Down Sleeping Bag

    Sea to Summit

    Womens Trek -9C Down Sleeping Bag

    Weighs
    1614g
    Weighs:
    1614g (Regular)
    Comfort Limit:
    -16°C
    Type:
    Mummy
    Fill Weight:
    800g (based on regular size)
    Fill Power:
    650
    Down Treatment:
    Hydrophobic
    Zip Length:
    Full Length
    Zip Position:
    Right Zip
    Insulation Type:
    Down

    We're working out what we think - we'll add our view here!  Sea to Summit says:  The Trek Down Sleeping Bag is the perfect option for vehicle-based travels and overnight camping. With 650+ FILL Power, this versatile and spacious bag uses an…

    £339.99
    RRP: £374.99 | Save: £35.00
  • -7°C
    Sierra Designs Womens Night Cap 20 Degree Synthetic Sleeping Bag Sierra Designs Womens Night Cap 20 Degree Synthetic Sleeping Bag

    Sierra Designs

    Womens Night Cap 20 Degree Synthetic Sleeping Bag

    Weighs
    1660g
    Weighs:
    1660g
    Comfort Limit:
    -7°C
    Insulation Type:
    Synthetic
    Type:
    Mummy

    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…

    £147.99
    RRP: £159.99 | Save: £12.00

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. Tracked Royal Mail Delivery as standard for UK orders.