• -7°C
    Cosmic Ultra 20 Down Sleeping Bag Cosmic Ultra 20 Down Sleeping Bag

    Kelty

    Cosmic Ultra 20 Down Sleeping Bag

    Weighs
    1078g (size Regular)
    Weighs:
    1078g (size Regular)
    Comfort Limit:
    -7°C
    Insulation Type:
    Down
    Fill Weight:
    494g (size Regular)
    Fill Power:
    800
    Down Treatment:
    Hydrophobic
    Zip Length:
    Short Zip
    Zip Position:
    Left Zip
    Type:
    Mummy

    The Cosmic Ultra range provide exceptional value for money with a serious amount of down providing you with a warm sleeping bag. These are well made bags that are durable, comfortable and have some impressive features. Kelty says: The Kelty Cosmic U…

    From: £189.99
    RRP: £239.99 | Save: £50.00
  • -22°C
    Currently out of stock
    Neutrino Pro 900 Down Sleeping Bag Neutrino Pro 900 Down Sleeping Bag

    Rab

    Neutrino Pro 900 Down Sleeping Bag

    Weighs
    1355g
    Weighs:
    1355g
    Fill Power:
    800
    Fill Weight:
    900g (size Regular)
    Down Treatment:
    Hydrophobic
    Comfort Limit:
    -22°C
    Insulation Type:
    Down
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    Type:
    Mummy

    Rab's Neutrino Pro range features 800 Fill Power down intelligently baffled for an excellent warmth to weight ratio, and a water resistant outer shell gives them the flexibility to be used for bivying, tarp camping etc as well as your normal applicat…

    From: £524.99
    RRP: £619.99 | Save: £95.00
  • -28°C
    Currently out of stock
    Andes Infinium 1000 Down Sleeping Bag Andes Infinium 1000 Down Sleeping Bag

    Rab

    Andes Infinium 1000 Down Sleeping Bag

    Weighs
    1590g
    Weighs:
    1590g
    Fill Power:
    800
    Down Treatment:
    Hydrophobic
    Comfort Limit:
    -28°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: High altitude and winter expedition sleeping ba…

    £764.99
    RRP: £899.99 | Save: £135.00
  • -7°C
    Neutrino 400 Down Sleeping Bag Neutrino 400 Down Sleeping Bag

    Rab

    Neutrino 400 Down Sleeping Bag

    Weighs
    838g
    Weighs:
    838g
    Fill Power:
    800
    Fill Weight:
    400g (size Regular)
    Down Treatment:
    Hydrophobic
    Comfort Limit:
    -7°C
    Insulation Type:
    Down
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    Type:
    Mummy

    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 & light. Rab says: Eliminating excess bulk with a highly...

    From: £354.99
    RRP: £419.99 | Save: £65.00
  • -1°C
    Top Pick
    Neutrino Pro 300 Down Sleeping Bag Neutrino Pro 300 Down Sleeping Bag

    Rab

    Neutrino Pro 300 Down Sleeping Bag

    Weighs
    774g
    Weighs:
    774g
    Fill Power:
    800
    Fill Weight:
    300g (size Regular)
    Down Treatment:
    Hydrophobic
    Comfort Limit:
    -1°C
    Insulation Type:
    Down
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    BG Top Picks:
    Yes
    Type:
    Mummy

    Rab's Neutrino Pro range features 800 Fill Power down intelligently baffled for an excellent warmth to weight ratio, and a water resistant outer shell gives them the flexibility to be used for bivying, tarp camping etc as well as your normal applicat…

    From: £324.99
    RRP: £379.99 | Save: £55.00
  • -6°C
    Neutrino Pro 500 Down Sleeping Bag Neutrino Pro 500 Down Sleeping Bag

    Rab

    Neutrino Pro 500 Down Sleeping Bag

    Weighs
    943g
    Weighs:
    943g
    Fill Power:
    800
    Fill Weight:
    500g (size Regular)
    Down Treatment:
    Hydrophobic
    Comfort Limit:
    -6°C
    Insulation Type:
    Down
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    Type:
    Mummy

    Rab's Neutrino Pro range features 800 Fill Power down intelligently baffled for an excellent warmth to weight ratio, and a water resistant outer shell gives them the flexibility to be used for bivying, tarp camping etc as well as your normal applicat…

    From: £399.99
    RRP: £469.99 | Save: £70.00
  • 3°C
    Nitro 800 35 Degree Down Sleeping Bag Nitro 800 35 Degree Down Sleeping Bag

    Sierra Designs

    Nitro 800 35 Degree Down Sleeping Bag

    Weighs
    642g (size Regular)
    Down Treatment:
    Hydrophobic
    Fill Power:
    800
    Fill Weight:
    255g (size Regular)
    Insulation Type:
    Down
    Weighs:
    642g (size Regular)
    Comfort Limit:
    3°C
    Zip Length:
    3/4 Length
    Zip Position:
    Left 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…

    From: £219.99
    RRP: £259.99 | Save: £40.00
  • -19°C
    Andes Infinium 800 Down Sleeping Bag Andes Infinium 800 Down Sleeping Bag

    Rab

    Andes Infinium 800 Down Sleeping Bag

    Weighs
    1350g
    Weighs:
    1350g
    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…

    £719.99
    RRP: £849.99 | Save: £130.00
  • -16°C
    Kryos Down Sleeping Bag Kryos Down Sleeping Bag

    Mountain Equipment

    Kryos Down Sleeping Bag

    Weighs
    1187g (Regular)
    Weighs:
    1187g (Regular)
    Comfort Limit:
    -16°C
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    743g (based on regular size)
    Fill Power:
    800
    Down Treatment:
    Standard
    Zip Length:
    Full Length
    Zip Position:
    Left Zip

    We're working out what we think - we'll add our view here!  Mountain Equipment says:  Part of our Extreme Alpine sleeping bag range, the lightweight Kryos is designed for alpine expedition use and cold-weather trips where low weight and...

    From: £594.99
    RRP: £659.99 | Save: £65.00
  • -1°C
    Neutrino 200 Down Sleeping Bag Neutrino 200 Down Sleeping Bag

    Rab

    Neutrino 200 Down Sleeping Bag

    Weighs
    630g
    Weighs:
    630g
    Fill Power:
    800
    Fill Weight:
    200g (size Regular)
    Down Treatment:
    Hydrophobic
    Comfort Limit:
    -1°C
    Insulation Type:
    Down
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    Type:
    Mummy

    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 & light. Rab says: Eliminating excess bulk with a highly...

    From: £279.99
    RRP: £329.99 | Save: £50.00
  • -12°C
    Neutrino 600 Down Sleeping Bag Neutrino 600 Down Sleeping Bag

    Rab

    Neutrino 600 Down Sleeping Bag

    Weighs
    1029g
    Weighs:
    1029g
    Fill Power:
    800
    Fill Weight:
    600g (size Regular)
    Down Treatment:
    Hydrophobic
    Comfort Limit:
    -12°C
    Insulation Type:
    Down
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    Type:
    Mummy

    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 & light. Rab says: Eliminating excess bulk with a highly...

    From: £424.99
    RRP: £499.99 | Save: £75.00
  • -22°C
    Neutrino 800 Down Sleeping Bag Neutrino 800 Down Sleeping Bag

    Rab

    Neutrino 800 Down Sleeping Bag

    Weighs
    1230g
    Weighs:
    1230g
    Fill Power:
    800
    Fill Weight:
    800g (size Regular)
    Down Treatment:
    Hydrophobic
    Comfort Limit:
    -22°C
    Insulation Type:
    Down
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    Type:
    Mummy

    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 & light. Rab says: Eliminating excess bulk with a highly...

    From: £484.99
    RRP: £569.99 | Save: £85.00
  • -10°C
    Neutrino Pro 700 Down Sleeping Bag Neutrino Pro 700 Down Sleeping Bag

    Rab

    Neutrino Pro 700 Down Sleeping Bag

    Weighs
    1158g
    Weighs:
    1158g
    Fill Power:
    800
    Fill Weight:
    700g (size Regular)
    Down Treatment:
    Hydrophobic
    Comfort Limit:
    -10°C
    Insulation Type:
    Down
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    Type:
    Mummy

    Rab's Neutrino Pro range features 800 Fill Power down intelligently baffled for an excellent warmth to weight ratio, and a water resistant outer shell gives them the flexibility to be used for bivying, tarp camping etc as well as your normal applicat…

    From: £464.99
    RRP: £549.99 | Save: £85.00
  • -9°C
    Currently out of stock
    Nitro 800 0 Degree Down Sleeping Bag Nitro 800 0 Degree Down Sleeping Bag

    Sierra Designs

    Nitro 800 0 Degree Down Sleeping Bag

    Weighs
    1220g (regular size)
    Weighs:
    1220g (regular size)
    Comfort Limit:
    -9°C
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    736g
    Fill Power:
    800
    Down Treatment:
    Hydrophobic
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip

    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 Simple construction and a..…

    From: £344.99
    RRP: £384.99 | Save: £40.00
  • -9°C
    Nitro 800 20 Degree Down Sleeping Bag Nitro 800 20 Degree Down Sleeping Bag

    Sierra Designs

    Nitro 800 20 Degree Down Sleeping Bag

    Weighs
    842g (size Regular)
    Down Treatment:
    Hydrophobic
    Fill Power:
    800
    Fill Weight:
    210g (size Regular)
    Insulation Type:
    Down
    Weighs:
    842g (size Regular)
    Comfort Limit:
    -9°C
    Zip Length:
    3/4 Length
    Zip Position:
    Left 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…

    From: £274.99
    RRP: £319.99 | Save: £45.00
  • -6°C
    Parsec 20F Down Sleeping Bag Parsec 20F Down Sleeping Bag

    Thermarest

    Parsec 20F Down Sleeping Bag

    Weighs
    846g (size Regular)
    Down Treatment:
    Hydrophobic
    Fill Power:
    800
    Fill Weight:
    465g (size Regular)
    Insulation Type:
    Down
    Weighs:
    846g (size Regular)
    Comfort Limit:
    -6°C
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip

    This updated version of the Parsec now uses recycled fabrics making it more sustainable. This bag is ultra compact to easily fit in your bag and is full of Thermarest's signature features. Thermarest says Designed to deliver maximum comfort while mee…

    From: £364.99
    RRP: £414.99 | Save: £50.00
  • 0°C
    Parsec 32F Down Sleeping Bag Parsec 32F Down Sleeping Bag

    Thermarest

    Parsec 32F Down Sleeping Bag

    Weighs
    717g (size Regular)
    Down Treatment:
    Hydrophobic
    Fill Power:
    800
    Fill Weight:
    337g (size Regular)
    Insulation Type:
    Down
    Weighs:
    717g (size Regular)
    Comfort Limit:
    0°C
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    Type:
    Mummy

    The Parsec 32F sleeping bag uses recycled fabrics making it more sustainable. This bag is ultra compact to easily fit in your bag and is full of Thermarest's signature features. Thermarest says When the forecast calls for warmer temps, grab the Parse…

    From: £322.99
    RRP: £379.99 | Save: £57.00
  • -18°C
    Sonic 0 Down Sleeping Bag Sonic 0 Down Sleeping Bag

    Nemo

    Sonic 0 Down Sleeping Bag

    Weighs
    1544g
    Weighs:
    1544g
    Fill Power:
    800
    Down Treatment:
    Hydrophobic
    Comfort Limit:
    -18°C
    Insulation Type:
    Down
    Zip Position:
    Left Zip
    Fill Weight:
    835g

    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
  • -12°C
    Xeros Down Sleeping Bag Xeros Down Sleeping Bag

    Mountain Equipment

    Xeros Down Sleeping Bag

    Weighs
    1014g (Regular)
    Weighs:
    1014g (Regular)
    Comfort Limit:
    -12°C
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    605g (based on regular size)
    Fill Power:
    800
    Down Treatment:
    Standard
    Zip Length:
    Full Length
    Zip Position:
    Left Zip

    We're working out what we think - we'll add our view here!  Mountain Equipment says:  Part of our Extreme Alpine sleeping bag range, the Xeros is an ultra-light winter bag designed for hard multi-day alpine expedition use where protection …

    From: £539.99
    RRP: £599.99 | Save: £60.00

Down is still has the highest warmth to weight ratio of any bag filling, so the lightest bags for a given warmth rating will be down filled. All our supplier use Ethically sourced down.