Mountain Equipment Firefly Sleeping Bag

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 the late spring and summer.

• Good Night's Sleep Temperature: -3°C / 27°F
• Ideal for: Backpacking and Trekking, Alpine Climbing

Features

• PLASMA 10D fabrics throughout are incredibly light and breathable with FC free DWR
• 252 g of 90-10 European 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 140 cm zip with low profile grown-on front collar
• Plasma 10D inner throughout with FC free DWR
• Supplied with waterproof roll-top stuff-sack and storage cube

Technologies

A Good Night's Sleep Guaranteed

• So confident are we that 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.

Down 900

• With a minimum down cluster content of 90 % and individually tested at the point of filling to ensure a minimum fill power of 900.

Down Codex

• The DOWN CODEX is multi-award-winning certification scheme that considers the environmental, ethical and animal welfare matters relating to 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.

Plasma

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