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

    Sea to Summit

    Womens Spark 7C/45F Down Sleeping Bag

    Weighs
    411g (Regular)
    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:
    Left 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
  • N/A
    Xenith I Down Sleeping Bag Xenith I Down Sleeping Bag

    Mountain Equipment

    Xenith I Down Sleeping Bag

    Weighs
    385g (Regular)
    Weighs:
    385g (Regular)
    Comfort Limit:
    N/A
    Type:
    Mummy
    Insulation Type:
    Down
    Fill Weight:
    148g
    Fill Power:
    900
    Down Treatment:
    Hydrophobic
    Zip Length:
    Full Length
    Zip Position:
    Left Zip
    BG Top Picks:
    Yes

    BG TOP PICK – For Fast-and-Light Summer Nights: Weighing just 385g with 900-fill down, strategic baffle mapping, and a minimalist hoodless design, the Mountain Equipment Xenith I offers premium warmth and packability for ultralight missions whe…

    From: £299.99
    RRP: £349.99 | Save: £50.00
  • 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: £369.99
    RRP: £429.99 | Save: £60.00
  • 3°C
    Xenith III Down Sleeping Bag Xenith III Down Sleeping Bag

    Mountain Equipment

    Xenith III Down Sleeping Bag

    Weighs
    720g (Regular)
    Weighs:
    720g (Regular)
    Comfort Limit:
    -8°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 Cold-Weather Performance With Minimal Weight: At 701g with 900-fill down and a comfort limit of -8°C, the Mountain Equipment Xenith III delivers serious three-season warmth in a refined, ultralight build. Mountain Equipmen…

    From: £469.99
    RRP: £549.99 | 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.