• -11°C
    Top Pick
    Helium GT 600 Down Sleeping Bag Helium GT 600 Down Sleeping Bag

    Mountain Equipment

    Helium GT 600 Down Sleeping Bag

    Weighs
    1114g
    Weighs:
    1114g
    Fill Power:
    700
    Fill Weight:
    656g (size Regular)
    Down Treatment:
    Standard
    Comfort Limit:
    -11°C
    Insulation Type:
    Down
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    BG Top Picks:
    Yes
    Type:
    Mummy

    Mountain Equipment's Helium GT sleeping bags are from their Helium GT series of bags which are more generously sized than their standard Helium range, ideal for larger people and side sleepers. Mountain Equipment says: Light, packable but with a slig…

    From: £270.83
    RRP: £316.66 | Save: £45.83
  • 10°C
    TransAlp Down Sleeping Bag TransAlp Down Sleeping Bag

    Mountain Equipment

    TransAlp Down Sleeping Bag

    Weighs
    444g (Regular)
    Weighs:
    444g (Regular)
    Comfort Limit:
    10°C
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    130g
    Fill Power:
    600
    Down Treatment:
    Standard
    Zip Length:
    Full Length
    Zip Position:
    Left Zip

    Light, packable and built for fast-moving summer nights, the TransAlp offers reliable comfort with minimal fuss. Mountain Equipment says:  A lightweight and environmentally conscious bag to help free up space on your travels. Perfect for overnig…

    From: £104.16
    RRP: £116.66 | Save: £12.50
  • 2°C
    Helium 250 Down Sleeping Bag Helium 250 Down Sleeping Bag

    Mountain Equipment

    Helium 250 Down Sleeping Bag

    Weighs
    706g
    Weighs:
    706g
    Fill Power:
    700
    Fill Weight:
    261g (size Regular)
    Down Treatment:
    Standard
    Comfort Limit:
    2°C
    Insulation Type:
    Down
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip

    Mountain Equipment's Helium 250 sleeping bag is from their 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 Equipment says: Weighing l…

    From: £174.99
    RRP: £208.33 | Save: £33.33
  • -6°C
    Helium 400 Down Sleeping Bag Helium 400 Down Sleeping Bag

    Mountain Equipment

    Helium 400 Down Sleeping Bag

    Weighs
    825g
    Weighs:
    825g
    Fill Power:
    700
    Fill Weight:
    403g (size Regular)
    Down Treatment:
    Standard
    Comfort Limit:
    -6°C
    Insulation Type:
    Down
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip

    Mountain Equipment's Helium 400 sleeping bag is from their 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 Equipment says: An incredi…

    From: £212.49
    RRP: £249.99 | Save: £37.50
  • -15°C
    Helium 800 Down Sleeping Bag Helium 800 Down Sleeping Bag

    Mountain Equipment

    Helium 800 Down Sleeping Bag

    Weighs
    1215g
    Weighs:
    1215g
    Fill Power:
    700
    Fill Weight:
    795g (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 Helium 800 sleeping bag is from their 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 Equipment says: Perfect fo…

    From: £283.33
    RRP: £333.33 | Save: £50.00
  • 2°C
    Top Pick
    Helium GT 250 Down Sleeping Bag Helium GT 250 Down Sleeping Bag

    Mountain Equipment

    Helium GT 250 Down Sleeping Bag

    Weighs
    710g
    Weighs:
    710g
    Fill Power:
    700
    Fill Weight:
    289g (size Regular)
    Down Treatment:
    Standard
    Comfort Limit:
    2°C
    Insulation Type:
    Down
    Zip Length:
    3/4 Length
    Zip Position:
    Left Zip
    BG Top Picks:
    Yes
    Type:
    Mummy

    Mountain Equipment's Helium GT sleeping bags are from their Helium GT series of bags which are more generously sized than their standard Helium range, ideal for larger people and side sleepers. Mountain Equipment says: Light and packable enough for e…

    From: £199.99
    RRP: £233.33 | Save: £33.33
  • Iver +0 Mummy Down Sleeping Bag Iver +0 Mummy Down Sleeping Bag

    Nordisk

    Iver +0 Mummy Down Sleeping Bag

    Weighs
    800g (Regular)
    Weighs:
    800g (Regular)
    Comfort Limit:
    0°C
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    400g (based on long size)
    Fill Power:
    700
    Down Treatment:
    Standard
    Zip Length:
    Full Length
    Zip Position:
    Left Zip

    Balanced warmth and comfort for three-season nights Nordisk says:  Imagine waking up to the crisp mountain air, the world around you still blanketed in the quiet of dawn. Your body feels cozy and warm, nestled inside your Iver ±0. As you.…

    From: £262.49
  • 5°C
    Iver +5 Mummy Down Sleeping Bag Iver +5 Mummy Down Sleeping Bag

    Nordisk

    Iver +5 Mummy Down Sleeping Bag

    Weighs
    526g (Regular)
    Weighs:
    526g (Regular)
    Comfort Limit:
    5°C
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    175g (based on long size)
    Fill Power:
    700
    Down Treatment:
    Standard
    Zip Length:
    Full Length
    Zip Position:
    Left Zip

    Spacious comfort for lightweight summer trips Nordisk says:  Unlike other sleeping bags that leave you feeling trapped and constricted, Iver +5 offers an unmatched sensation of space and freedom. As you sit up in the early morning light, ready t…

    From: £208.33
  • 0°C
    Walloe +0 Mummy Down Sleeping Bag Walloe +0 Mummy Down Sleeping Bag

    Nordisk

    Walloe +0 Mummy Down Sleeping Bag

    Weighs
    700g (Regular)
    Weighs:
    700g (Regular)
    Comfort Limit:
    0°C
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    391g
    Fill Power:
    800
    Down Treatment:
    Standard
    Zip Length:
    Full Length
    Zip Position:
    Left Zip

    Warmth without bulk for fast-and-light adventures Nordisk says:  Premium ultra lightweight summer bag PASSION Reimagined. Passion still resides in every stitch of our top-of-the-line sleeping bag, now renamed to honor Peder Walloe, an unsung Dan…

    From: £445.83
  • -10°C
    Walloe -10 Mummy Down Sleeping Bag Walloe -10 Mummy Down Sleeping Bag

    Nordisk

    Walloe -10 Mummy Down Sleeping Bag

    Weighs
    1048g (Regular)
    Weighs:
    1048g (Regular)
    Comfort Limit:
    -10°C
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    595g
    Fill Power:
    800
    Down Treatment:
    Standard
    Zip Length:
    Full Length
    Zip Position:
    Left Zip

    Serious warmth in a lightweight winter build Nordisk says:  As the temperature drops and the wind howls, you're racing through a cold mountain pass, the snow swirling around you, your muscles aching from the climb, and your body craving warmth. …

    From: £533.33
  • 2°C
    Womens Helium 250 Down Sleeping Bag Womens Helium 250 Down Sleeping Bag

    Mountain Equipment

    Womens Helium 250 Down Sleeping Bag

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

    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: £174.99
    RRP: £208.33 | Save: £33.33
  • -6°C
    Womens Helium 400 Down Sleeping Bag Womens Helium 400 Down Sleeping Bag

    Mountain Equipment

    Womens Helium 400 Down Sleeping Bag

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

    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…

    From: £212.49
    RRP: £249.99 | Save: £37.50
  • 3°C
    Xenith II Down Sleeping Bag Xenith II Down Sleeping Bag

    Mountain Equipment

    Xenith II Down Sleeping Bag

    Weighs
    490g (Regular)
    Weighs:
    490g (Regular)
    Comfort Limit:
    3°C
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    197g
    Fill Power:
    900
    Down Treatment:
    Standard
    Zip Length:
    Full Length
    Zip Position:
    Left Zip
    BG Top Picks:
    Yes

    BG TOP PICK – For Ultralight Summer Assurance in the Hills: Weighing just 490g with 900-fill down, targeted baffle design, and a sculpted Alpine fit, the Mountain Equipment Xenith II delivers efficient warmth and packability for cool summer nig…

    From: £308.33
    RRP: £358.33 | Save: £50.00
  • -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

    Efficient warmth for alpine precision. 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 is essential, but every gr…

    From: £449.99
    RRP: £499.99 | Save: £50.00

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.