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Sea To Summit
Flame FmIV Sleeping Bag: 15F Down - Women's

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$568.95 - $588.95
Color:One Color



Flame FmIV Sleeping Bag: 15 Degree Down

Ultralight backpacking trips in the high alpine or during shoulder seasons call for the Sea to Summit Flame FmIV Sleeping Bag. It's stuffed with Ultra-Dry Down 850+ to insulate and keep you warm even when moisture is present. Its fully baffled design and body-mapped down is designed to maximize warmth to keep you comfortable in low temperatures. The bag's mummy shape helps with this as well and is wider at the hips and knees so you can sleep in a natural position without creating cold spots. The down and the bag's shell keep it highly compressible as well to easily pack into the included lightweight Ultra-Sil compression bag to fit comfortably in your backpack.


  • 3-season bag that packs easily for ultra-light backpacking trips
  • Mummy shape provides thermal efficiency for warmer sleep
  • Ultra-Dry Down provides insulation when moisture is present
  • Lightweight nylon shell is compressible for easy packing
  • Fully baffled design, body mapping maximizes warmth on cold nights
  • Wider hips, knees allow natural sleep position without cold spots
  • Ultra-Sil compression bag and storage cell contain the sleeping bag
  • Item #STS006P
[face fabric] 10D nylon, [lining] 7D nylon
RDS certified 850+ Ultra-Dry Down
Max User Height
[regular] 5ft 7in, [long] 5ft 10in
Shoulder Circumference
[regular] 59in, [long] 61in
Hip Circumference
[regular] 56in, [long] 58in
Foot Circumference
[regular] 35.5in, [long] 38in
Bag Length
[regular] 5ft 7in, [long] 6ft
Draft Tube
Pad Retainer
Fill Weight
[regular] 1lb 6.9oz, [long] 1lb 9.7oz
Storage Sack
storage cell
Stuff Sack
Ultra-Sil compression bag
Stuff Size
18.5 x 13 x 8.5in
Claimed Weight
[regular] 1lb 15.4oz, [long] 2lb 3.1oz
Manufacturer Warranty