Firefly

£360.00
Good Night's Sleep Temperature
-3°C/27°F
Comfort
2°C/36°F
Comfort Limit
-3°C/27°F
Extreme
-20°C/-4°F
Total Weight
560g / 20oz
ME-003509 5053817130144

As efficient a bag as it is possible to make. Inspiring confidence even when water turns to ice, this ultralight bag will pack a punch in any high mountain environment during the late spring and summer.

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  • Firefly Plasma™ 10D outer shell is incredibly light and exceptionally breathable
  • Firefly Alpine fit with EXL® system improves loft and maximises thermal efficiency
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Specifications

  • Plasma™ 10D outer shell is incredibly light and exceptionally breathable
  • 274g of 90-10 Russian Goose Down with a minimum fill power of 800
  • Alpine fit with EXL® system improves loft and maximises thermal efficiency
  • Slanted box-wall baffles throughout
  • Ground level side seams
  • 7 baffle low volume anatomically shaped hood
  • 4 baffle anatomically shaped and offset foot-box
  • Full length Gemini™ zip baffle
  • Plasma™ 10D inner throughout
  • Supplied with waterproof roll-top stuff-sack and storage cube
  • Regular Weight : 560g / 20oz
  • Long Weight : 600g/21oz
Go back
£360.00
Good Night's Sleep Temperature
-3°C/27°F
Comfort
2°C/36°F
Comfort Limit
-3°C/27°F
Extreme
-20°C/-4°F
Total Weight
560g / 20oz
Colour
  • Me-01318 Ombre BlueMe-01318 Ombre Blue
Zip Option
  • Left Zip
Length
  • Regular
  • Long
Size Guide

Sorry, this is out of stock

Description

As efficient a bag as it is possible to make. Inspiring confidence even when water turns to ice, this ultralight bag will pack a punch in any high mountain environment during the late spring and summer.

Firefly
Slanted box-wall baffles throughout the entire main body mean weight is removed from the bags structure. Inside the bag the conventional neck collar is replaced by a significantly lighter collar baffle. EXL on the top of the bag minimises dead air space, reduces drafts and maximises loft
Firefly
Specifically designed for Extreme Light models, a significantly lighter yet highly thermally efficient replacement for the conventional neck collar. Used in conjunction with our Gemini zip baffle.
Firefly
7 baffles provide exceptional down control for performance and excellent insulation. The DC7 LV hood reduces weight, has less deformation when cinched down small, and offers single handed closure and easy-run dual tether draw cords for greater ease of use in extreme conditions
Firefly
A six-baffle foot piece, our most advanced design, and featuring both our Bulls Eye Technology and offset Sharks Toe foot constructions. Its highly sophisticated baffle system maximises thermal efficiency for the coldest and most demanding environments, ensuring warm feet night after night

Features

Down 800

Our very best Eastern European goose down. Sourced from Western Russia, with a minimum down cluster content of 90% and... Read more

Our very best Eastern European goose down. Sourced from Western Russia, with a minimum down cluster content of 90% and individually tested to ensure a minimum fill power of 800 cubic inches. DOWN CODEX approved.

Plasma™

One of the lightest downproof fabrics on the planet. Perfect for alpinists and backpackers for whom weight is absolutely critical.

Down Codex®

The DOWN CODEX® is an animal welfare, traceability and auditing scheme to ensure that both animal welfare and quality were... Read more

The DOWN CODEX® is an animal welfare, traceability and auditing scheme to ensure that both animal welfare and quality were put at the heart of each and every one of our down products.n our down supply chains, to ensure that both animal welfare and quality were put at the heart of each and every one of our down products.

A Good Night's Sleep Guaranteed

So confident are we that our sleeping bags will keep your warm and comfortable, that in addition to the EN13537/ISO23537... Read more

So confident are we that our sleeping bags will keep your warm and comfortable, that in addition to the EN13537/ISO23537 laboratory ratings we quote, every Mountain Equipment sleeping bag comes with a separate ‘A Good Night’s Sleep Guaranteed’ temperature rating.

Size Guide

Alpine Fit

 

Regular Long
Length Inside (a) 190cm/75in 205cm/81in
Max Width Inside (b) 75cm/30in 75cm/30in
Inside Foot Width (c) 50cm/20in 50cm/20in
Max User Height 185cm/73in 200cm/79in
Total Bag Weight 560g/20oz 600g/21oz
Total Fill Weight 274g/10oz 287g/10oz
Packed HxWxD 25x19x16cm/10x8x6in 26x20x16cm/10x8x6in
Firefly