NanoWave 55

$69.00 – $79.00  | #21470

Stuff the super packable NanoWave 55 into your kayak stern or bike paniers – the lightweight bag is a master space-saver. DWR-treated polyester taffeta fabric sheds moisture. EN-tested to 55°F, the bag has synthetic SpiraFil™ high loft insulation that stays warm even when wet.

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NanoWave 55


Feature List
Blanket Construction, Compression Stuff Sack, 'Feely' Draw Cords, Snagless Draft Tube, SpiraFil High Loft Insulation, Two Hang Loops, Two Way Zipper Sliders, Zipper Garage
Main Materials
100% Polyester Tafffeta DWR 2.2 oz/yd
1lbs 8oz (680g)
Fill Weight
9oz (255g)
Bag Temperature F
55° F
Bag Temperature C
13° C
EN Rating
Comfort: 60.1°F / 15.6°C | Lower Limit: 54.3°F / 12.4°C | Extreme: 33.1°F / 0.6°C
Bag Loft
Bag Zipper position
Lining Material
100% Polyester WR 1.3 oz/yd (Liner), 100% Nylon Plain Weave WR 1.3 oz/yd
Insulation Material
SpiraFil™ 60



SprialFil is Marmot's own unique synthetic insulation used in our value-priced line of sleeping bags.

What is it?

SpiraFil is a unique blend of large, spiral hollow fibers for loft, and small polyester fibers for warmth, softness and compressability.

What are the benefits of this technology?

SpiraFil provides an exceptional combination of warmth, softness, low weight, and compactibility. Thermal bonding ensures high tear strength and long-term durability.

Wash & Care

Why do we encourage proper care of our clothing and gear?

Because you have invested in (or are thinking about investing in) one of the most technically advanced pieces of apparel or equipment you'll ever own and we want to make sure you have the information you need to protect and care for your purchase. Proper care assures you will optimize the performance of your Marmot product and maximize its service-life.

Sleeping Bag Care

  • Hand wash warm, 105 degrees Fahrenheit or 40 degrees Celsius or machine wash Warm, Gentle cycle in a front load washer only.
  • If you need to use a detergent, only use powdered form
  • Rinse thoroughly
  • Do not wring your sleeping bag
  • Hang dry or tumble dry on low heat. If tumble drying a down bag, toss a couple of clean tennis balls in the dryer to help re-loft the bag
  • After your bag is dry, store in a loose storage container. Cotton or mesh stuff sacks or extra-large pillow cases work well
  • Do not store in a space where temperatures could exceed 125 degree Fahrenheit
  • Do not bleach
  • Do not iron
  • Do not dry clean