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Women's L.L.Bean Ultralight Sleeping Bag, 0° Mummy

Women's L.L.Bean Ultralight Sleeping Bag, 0° MummyWomen's L.L.Bean Ultralight Sleeping Bag, 0° Mummy
Women's L.L.Bean Ultralight Sleeping Bag, 0° Mummy

Product Details

Our popular women's ultralight sleeping bag now features Primaloft Gold with Cross-Core, a mid-loft superlight insulation that retains much of its insulating ability even when compressed. Roomy design is comfortable and warm.

Size & Fit

  • Fits users up to 5'6".


  • Packed size: 14" x 6.5".
  • Weight: 2 lb. 8 oz.

The Technology

This is the only sleeping bag in the world to feature Cross-Core, an industry-changing innovation that fuses NASA-developed aerogel technology with existing PrimaLoft Gold insulation, for more warmth without adding an ounce of weight. Sean McCoy, Managing Editor of had this to say: “Why is this a big deal? Well, aerogel is the lightest insulator on Earth.” It allows us to build a roomy, comfortable rectangular bag that's more than light enough to take backpacking.


This exclusive combination of NASA-developed aerogel technology and performance insulation is 15% warmer without any extra weight.


Fabric & Care

  • Wash and dry in large commercial machine.


  • This insulation has more warmth and compressibility than traditional synthetics without the bulk.
  • 100-gram Primaloft Gold insulation with Cross-Core technology.
  • Shell and lining made from soft, durable 20-denier ripstop nylon.

Additional Features

  • Compression stuff sack and oversized cotton storage bag included.
  • Designed specifically for women, with extra insulation in the foot box and shoulders.
  • Temperature rating tested in to EN 13537 standards.
  • Half-length zipper allows convenient venting.
  • An incredibly light, compressible and comfortable sleeping bag that's perfect for backpacking.
  • Roomy shape allows plenty of shoulder room.
  • Trapezoidal footbox provides extra room for feet or extra layers.
  • Small inside pocket on shoulder for headlamp, glasses or other essentials.
  • Imported.