Mountain Equipment Firefly Sleeping Bag (-3°C/27°F)

The Mountain Equipment Firefly Sleeping Bag is as efficient a bag as it is possible to make. With exceptionally high quality down and optimised fit , this ultralight bag will pack a punch in any high mountain environment during that late spring and summer months.

Supplied with waterproof roll-top stuff-sack and storage cube.

VIEW SIZE CHART FOR MORE INFORMATION

 Features

• Plasma  10D fabrics throughout are incredibly light and breathable with PFC free DWR
  
• 252g  of 90-10 Goose Down with a minimum fill power of 900
• Alpine  Fit 2.0 with revised EXL® system improves comfort and loft whilst maximising 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 and 140cm zip with low profile grown-on front collar
• Plasma  10D inner throughout with PFC free DWR
• Supplied  with waterproof roll-top stuff-sack and storage cube

Specifications

Technology

	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 our multi-award-winning certification scheme that considers the environmental, ethical and animal welfare matters relating to our down supply chains. It is grounded in comprehensive and transparent auditing that ensures traceability and quality.
	Fair Wear As a member of Fair Wear, Mountain Equipment is committed to implementing the highest standards of working conditions. Mountain Equipment were awarded 'Leader Status' by Fair Wear Foundation in 2016 and has been awarded their highest accolade for performance every year since.
	Down 900 Their finest goose down and amongst the world's very finest down. With a minimum down cluster content of 90% and individually tested at the point of filling to ensure a minimum fill power of 900.

Detail Shots

	Using slanted box-wall baffles throughout the entire main body of the helium bags means weight is removed from the bags structure yet, they remain a significant step above a standard box baffle.
	7 baffle low volume anatomically shaped hood.
	Full length Gemini zip baffle with 140cm zip with low profile grown-on front collar.
	4 baffle anatomically shaped and offset foot-box.
	PLASMA 10D fabrics throughout are incredibly light and breathable with PFC free DWR.
	EXL® system improves comfort and loft whilst maximising thermal efficiency.

Video