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Firefly

From $449
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

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
  • 100% Polyamide outer/inner, Down fill
Go back
From $449
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
Size Guide
  • Me-01318 Ombre Blue

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.

Features

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.

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.

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.

Plasma™

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

Fair Wear

Together with Fair Wear Foundation (FWF), Mountain Equipment are working to achieve fair working conditions worldwide.

Size Guide

Alpine Fit

 

Regular XL
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 580g/20oz
Total Fill Weight 274g/10oz 287g/10oz
Packed HxWxD 25x19x16cm/10x8x6in 26x20x16cm/10x8x6in