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Mountain Equipment Extreme Light Firelite Long Sleeping Bag ME-003508 - Zip Left - Ombre Blue

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Description of Mountain Equipment Extreme Light Firelite Long Sleeping Bag ME-003508 - Zip Left - Ombre Blue

For ultra-light backpacking and alpinism it is difficult to conceive a bag so reliably warm being any lighter. Perfect for high mountain use during the summer and at lower altitudes in Spring and Autumn.


  • Plasma™ 10D Nylon outer shell is incredibly light and exceptionally breathable
  • Inner material: Plasma™ 10D Nylon
  • 493g of 90/10 Russian Goose Down with a minimum fill power of 800 cuin
  • 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
  • 140cm, 2-way YKK® zipper
  • Supplied with waterproof roll-top stuff-sack and storage cube
  • Good Night's Sleep Temperature: down to -9°C/16°F


One of the lightest downproof fabrics. Plasma™ is perfect for alpinists and backpackers for whom weight is absolutely critical. Despite being just 26g/m², the fabric has exceptional tear resistance, giving you peace of mind on longer or more remote trips.

Alpine Fit:

The overall narrower cut sleeping bag is designed to optimise thermal performance while keeping weight as low as possible.

Slanted box-wall baffles:

The angle of the side walls provides advantages in terms of heat output and reduces heat loss. Also the slipping of the down is reduced. It is an excellent, lightweight construction.

Ground-Level seams:

The seams on the long side of the sleeping bag are further offset towards the floor. This improves thermal efficiency and the baffles on the top of the bag cover the body almost completely. Cold bridges, which tend to develop on the side, are minimized.

Gemini™ baffles:

The Gemini™ system is considerably lighter than previous baffles designs, very efficient, requires little space and offers maximum protection. Over the entire length of the opening, counter-rotating V-baffles have been integrated into the sleeping bag, which have a much larger contact area when the sleeping bag is closed. This results in a significant reduction in heat loss at this critical point.

Heat collar with EXL®:

The heat output of the integrated collar is significantly increased. Elastic seams pull the inner lining closer to the neck and body without constricting it, keeping the warm air inside.

DC7 hood:

The construction with 7 baffles is the optimal solution to keep the down in position around the head and to offer the best heat performance. The anatomically cut hood encloses the head precisely and dispenses with unnecessary weight. It can be easily adjusted with one hand with smooth-running laces and compressed to a small pack size.

Trapezium 4 foot part:

With the construction of 4 baffles, an optimum ratio of heat, weight and compressibility is achieved. The "Bulls Eye" construction and the "Shark Toe" shape, which corresponds to the human anatomy, are used here.


The Down Codex® guarantees animal protection and animal welfare. Forced fattening and live plucking are excluded. Down is a pure by-product of food production and no solvents are used for cleaning. Down tracking: Each product contains an individual code that can be entered on the Down Codex® website. This allows details on the origin of the down in the product and an IDFL Animal Welfare Report to be viewed.

Contains non-textile parts of animal origin.
Dimension: length 205cm, wide shoulder 75cm, wide foot area 50cm
Filling: Goose Down 90/10, fill power 800+ cuin
Included in delivery: incl. stuff-sack and storage bag
Material name by manufacturer: Plasma™
Weight supplement: manufacturer information
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Fact Sheet of Mountain Equipment Extreme Light Firelite Long Sleeping Bag ME-003508 - Zip Left - Ombre Blue

Product Name: Mountain Equipment Extreme Light Firelite Long Sleeping Bag ME-003508 - Zip Left - Ombre Blue
Manufacturer: Mountain Equipment
Item Code: MOE379396
activity: Outdoor
gender: men, unisex
recommended body height: 200cm
packing size (l/w/h): 260/220/170mm
sleeping bag / pad version: Sleeping Bag
insulation: Down
sleeping bag shape: Mummy Sleeping Bag
comfort temperature: -2°C
temperature limit: -8°C
extreme temperature: -27°C
fill weight: 493g
neck collar: yes
sleeping bag zipper: left
Number of persons: 1
Model year: 2021
Season: Autumn/Winter
Color: Grey, Blue
weight: 795g
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