• 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: £254.99
    RRP: £299.99 | Save: £45.00
  • -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

    UOG TOP PICK—Sea to Summit has redesigned its renowned Spark sleeping bag line, featuring high-quality materials and ethically sourced down. The hood and foot box now feature waterproof material for increased protection from condensation. Sea t…

    From: £339.99
    RRP: £399.99 | Save: £60.00
  • -15C
    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:
    -15C
    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

    UOG TOP PICK—Sea to Summit has redesigned its renowned Spark sleeping bag line, which features high-quality materials and is ethically sourced down. Now, it features waterproof material at the hood and foot box for increased protection from...

    From: £424.99
    RRP: £499.99 | Save: £75.00
  • -2°C
    Sierra Designs Womens Nitro 800 20 Degree Down Sleeping Bag Sierra Designs Womens Nitro 800 20 Degree Down Sleeping Bag

    Sierra Designs

    Womens Nitro 800 20 Degree Down Sleeping Bag

    Weighs
    1004g
    Down Treatment:
    Hydrophobic
    Fill Power:
    800
    Fill Weight:
    418g (based on size Regular)
    Insulation Type:
    Down
    Weighs:
    1004g
    Comfort Limit:
    -2°C
    Zip Length:
    3/4 Length
    Zip Position:
    Right Zip
    Type:
    Mummy

    The Nitro 800 is a lightweight, warm bag designed around the traditional mummy bag but with a few unique features that make Sierra Designs bags stand out. Great value for a bag with this much going on. Sierra Designs says A lightweight mummy with so…

    £284.99
    RRP: £334.99 | Save: £50.00
  • -7°C
    Currently out of stock
    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:
    -7°C
    Type:
    Mummy
    Fill Weight:
    455g
    Fill Power:
    800
    Down Treatment:
    Hydrophobic
    Zip Length:
    3/4 Length
    Zip Position:
    Right Zip

    Nemo's Riff 30F offers a lightweight package of spaciousness, premium materials, and warmth. Its Spoon shape provides freedom of movement for side sleepers, while 800-fill hydrophobic down insulates to a -1 °C rating. The ThermoGill venting syste…

    £334.99
    RRP: £359.99 | Save: £25.00
  • -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...

    £279.99
    RRP: £309.99 | Save: £30.00
  • -11.6°C
    Currently out of stock
    Sierra Designs Womens Get Down 20 Down Sleeping Bag Sierra Designs Womens Get Down 20 Down Sleeping Bag

    Sierra Designs

    Womens Get Down 20 Down Sleeping Bag

    Weighs
    1108g
    Down Treatment:
    Hydrophobic
    Fill Power:
    550
    Fill Weight:
    708g (based on size Regular)
    Insulation Type:
    Down
    Weighs:
    1108g
    Comfort Limit:
    -11.6°C
    Zip Length:
    3/4 Length
    Zip Position:
    Right Zip
    Type:
    Mummy

    The Women's Get Down is a great all offering from Sierra Designs in a simple, traditional mummy bag design. In order to provide excellent value for money the bag uses 550 fill power down and 20D fabrics to provide a -11.6°C Comfort Limit. Sierra…

    £184.99
    RRP: £214.99 | Save: £30.00
  • -6
    2025 Womens Disco 30F Down Sleeping Bag 2025 Womens Disco 30F Down Sleeping Bag

    Nemo

    Womens Disco 30F Down Sleeping Bag

    Weighs
    1148g
    Weighs:
    1148g (Regular)
    Comfort Limit:
    -6
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    465g (based on regular size)
    Fill Power:
    650
    Down Treatment:
    Hydrophobic
    Zip Length:
    3/4 Length
    Zip Position:
    Right Zip

    Iconic comfort meets smart design in this roomy, down-filled classic for side sleepers and restless campers. Nemo says:  The reigning favorite down bag for backpackers, Disco™ features the best-of-all-worlds Classic Spoon® silhouette f…

    From: £254.99
    RRP: £279.99 | 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

    Sea to Summit's Trek -1C Down Bag provides versatile temperature control and comfort. It features 650+ fill duck down, a Free Flow zipper system for ventilation, and a generous semi-rectangular shape. The bag is not ultralight but offers a good balan…

    £269.99
    RRP: £319.99 | Save: £50.00
  • -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

    The Sea to Summit Ascent -9C is a premium down sleeping bag for cold-weather adventures. It provides warmth even in freezing temperatures. The bag is lightweight and features a relaxed mummy shape for comfort. The free-flow zipper system allows for..…

    From: £409.99
    RRP: £484.99 | Save: £75.00
  • 2°C
    Womens Forte 35 Synthetic Sleeping Bag 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 Zip
    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
  • -5°C
    Currently out of stock
    Sierra Designs Womens Shut Eye 20 Synthetic Sleeping Bag Sierra Designs Womens Shut Eye 20 Synthetic Sleeping Bag

    Sierra Designs

    Womens Shut Eye 20 Synthetic Sleeping Bag

    Weighs
    1362g
    Insulation Type:
    Synthetic
    Weighs:
    1362g
    Comfort Limit:
    -5°C
    Zip Length:
    3/4 Length
    Zip Position:
    Right Zip
    Type:
    Mummy

    Synthetic sleeping bags are ideal for damp conditions where down may not perform as well. The Women's Shut Eye has a -5°C Comfort Limit which is impressive for a bag of this weight and pack size. Sierra Designs says Whether you're road-tripping,…

    £89.99
    RRP: £99.99 | Save: £10.00
  • -16°C
    2025 Womens Disco 15F Down Sleeping Bag 2025 Womens Disco 15F Down Sleeping Bag

    Nemo

    Womens Disco 15F Down Sleeping Bag

    Weighs
    1498g
    Weighs:
    1498g (Regular)
    Comfort Limit:
    -16°C
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    910g (based on regular size)
    Fill Power:
    650
    Down Treatment:
    Hydrophobic
    Zip Length:
    3/4 Length
    Zip Position:
    Right Zip

    Iconic comfort meets smart design in this roomy, down-filled classic for side sleepers and restless campers. Nemo says:  The reigning favorite down bag for backpackers, Disco™ features the best-of-all-worlds Classic Spoon® silhouette f…

    From: £289.99
    RRP: £319.99 | Save: £30.00
  • -7C
    Big Agnes Womens Anthracite 20 Synthetic Sleeping Bag Big Agnes Womens Anthracite 20 Synthetic Sleeping Bag

    Big Agnes

    Womens Anthracite 20 Synthetic Sleeping Bag

    Weighs
    1529g
    Weighs:
    1529g
    Comfort Limit:
    -7C
    Insulation Type:
    Synthetic
    Zip Position:
    Right Zip
    Type:
    Mummy

    A well-priced four-season bag that will get used out on the trail and, at home, on the couch too. Big Agnes says:  Our Anthracite 20° traditional mummy style sleeping bag is designed to be taken anywhere and provide rest after a long day out…

    £135.99
    RRP: £159.99 | Save: £24.00
  • -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

    The Sea to Summit Women’s Trek -9C Down Sleeping Bag is perfect for cold weather camping. Its 650+ fill power duck-down insulation ensures warmth even in damp conditions. The semi-rectangular fit and Free Flow Zip System provide comfort and...

    £319.99
    RRP: £374.99 | Save: £55.00

Shop our wide range of the lightest Sleeping Bags 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.