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Details

  • With a European Norm (EN) lower-limit rating of 29°F, this bag is suitable for 3-season use
  • REI double-protection design combines water-repellent fills with waterproof / breathable fabric at the hood, sides and footbox, the areas most likely to touch a damp tent wall
  • On top of the bag, where superior loft and warmth are key, the bag is filled with water-repellent 700-fill-power duck down
  • On the bottom is resilient Primaloft® Sport insulation, which performs well in a compressed under-bag space
  • Ripstop nylon shell also features a durable water repellent finish to further protect the bag's insulations
  • Performance fit keeps weight low and thermal efficiency high
  • REI in-the-round design puts vertical baffles in side walls to wrap you in warmth and create a better fit than bags that use only horizontal baffles
  • Contoured hood, insulated face muffler and full-length draft tube all work to keep warmth in
  • Differentiated hood and neck drawcords simplify adjustments; antisnag zipper works smoothly
  • Most REI backpacking bags can be zipped to other REI backpacking bags; women's bags zip on the right, unisex on the left
  • The REI Flash Sleeping Bag includes a nylon stuff sack and a large cotton storage bag

Imported.

Many sleeping bags are rated for temperature by an independent testing protocol, the European Norm (EN) 13537. Each bag gets two ratings: a Comfort rating and Lower Limit rating. The Comfort rating is the lowest temperature at which the bag will keep the average woman (or "cold sleeper") comfortable, and the Lower Limit rating is the lowest temperature at which the bag will keep an average man (or "warm sleeper") comfortable. Everyone's body and sleep comfort is different, so EN Ratings are merely a guideline to help you compare products.

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Specs

Best Use Backpacking
EN Lower Limit 29 degrees Fahrenheit
EN Comfort 41 degrees Fahrenheit
Temperature Rating (F) 29 degrees Fahrenheit
Temperature Rating (C) -1.7 degrees Celsius
Weight
Long Left
1 lb. 12 oz. ounces
Regular Left
1 lb. 10 oz. ounces
Ultralight Yes
Shell Ripstop nylon
Zipper Location Left
Insulation Type Down
Water-Resistant Down Yes
Fill 700-fill duck down (top) and PrimaLoft Sport (bottom)
Fill Weight
Long Left
10.1 ounces
Regular Left
9.3 ounces
Lining Nylon taffeta
Sleeping Bag Shape Mummy
Fits Up To (in.)
Long Left
78 inches
Regular Left
72 inches
Shoulder Girth (in.)
Long Left
60 inches
Regular Left
60 inches
Hip Girth (in.)
Long Left
55 inches
Regular Left
55 inches
Stuff Sack Size 7.5 x 15 inches
Stuff Sack Volume 11 liters
Compressed Volume
Long Left
3.7 liters
Regular Left
3.1 liters
Gender Unisex