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  • Women's-specific contoured mummy shape for comfort and efficient insulation
  • Sizing provides extra room for shoulders and hips 
  • Expedition mummy bag sizing provides extra space for layered clothing or extra wriggle room
  • Responsible Down Standard 850+ Loft Premium Goose ULTRA-DRY Down™ for maximum insulation value
  • Ultralight 7D and 10D fabrics for minimal weight and packed size
  • Vertical chest baffles prevent down migration and cold spots
  • Uses a full box baffle construction to accommodate extra down and reduce cold spots
  • Full side zip with two sliders provides easy access and extra ventilation options
  • Zipper draft tube, hood and front neck draft collar to prevent warmth being lost when it's needed
  • Includes Ultra-Sil™ Nano Compression Bag for compact storage
  • Note that this bag is not designed to pair with another

Sea to Summit Sleeping Bag Woman Flame FMIV

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The new ultralight women's-specific Flame™ Series of sleeping bags are wider at the hip and narrower at the shoulder and designed to keep you as warm as possible while minimising packed weight and size.

The expedition-sized Flame FMIV is the warmest in the series. It combines more overall ULTRA-DRY Down™ 850+ loft premium goose down, a light-gauge #3 YKK® zip, high-performance 10D nylon shell and 7D lining fabrics and a contoured mummy shape for efficient insulation and superior performance.

Other features include a full box baffle construction to allow for extra down and reduce cold spots, vertical baffles over the torso for core warmth, a full-length zip and a draft tube, full hood and neck collar to keep in your warmth. An expedition weight mid-winter bag.

Regular length weighs 890g and long 995g, with temperature ratings ideal for cold winter climates with comfort -10°C and Lower limit -17°C 

  • Recommended User Height: Reg up to 170 cm, Long up to 183cm
  • Packed Dimensions: Reg ø18 x 40 cm, Long ø20 x 40 cm
  • Volume Compressed: 7.1 L
  • Compression Sack Volume (Compressed): 10 to 3.3 L
  • Weight: Reg 890 grams, Long 995grams
  • Fill Weight: 650g (Regular), 730g (Long)
  • Shoulder width: 75cm (Regular), 77.5cm (Long)
  • Foot width: 45cm (Regular), 48cm (Long)
  • Shell and lining: 100% Nylon (10D shell and 7D lining)
  • Filling Material: ULTRA-DRY Down™ 850+ Loft premium Goose Down (min. 90% down)
  • Stuff sack: 100% Nylon