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Questions & Answers
Does product actually contain helium? Expert Answer

I have confirmed with Marmot that this does not contain Helium.

by Brandon B, Gear Expert, September 9, 2021
Color:
Arctic Navy/Dark Azure
Bag Size:
Long
Zipper Type:
Left
Condition:
New

Code: MRT-SI-MAR0042-M14404-19621-LZ

MPN: M14404-19621LZ

UPC: 195115133740

List: $519.00Save 29%
$369.99

Product Info for Marmot Helium Sleeping Bag

Remarkably light and compact, the Helium delivers impressive insulation. Use it as a three-plus season bag to substantially reduce your load while backpacking and mountaineering.image

Specifications for Marmot Helium Sleeping Bag:

Manufacturer: Marmot
Color: Arctic Navy/Dark Azure
Bag Size: Long
Temperature Rating: 15 Fahrenheit
Bag Shape: Mummy
Zipper Type: Left
Lining Material: 30d 100% Nylon DWR 1.09 oz/yd
Insulation: 850 Fill Goose Down
Insulation Weight: 19
Gender: Unisex
User Height: 6 ft 6 in (Long)
Shoulder Girth: 63 in
Foot Girth: 46.1 in
Hip Girth: 57.9 in
Weight: 2 lb
Age Group: Adults
Condition: New
Application: Backpacking
Fabric/Material: LightForce N-120R DWR
Water Resistance Level: Water Resistant
Weight Range: 1 - 1.9 lb
Operation Temperature Range: 11 - 20 Fahrenheit
EN Rated: yes
Sleeping Bag Size Long
Weight 2 lb
Shoulder Girth 63 in
Foot Girth 46.1 in
Hip Girth 57.9 in
User Height 6 ft 6 in (Long)

Features of Marmot Helium Sleeping Bag

  • Fold-Down Second Zipper Provides added Ventilation and Easy Access, Main Zipper Anti-Snag Slider reduces Snagging
  • Anatomically Designed Footbox with Wrap-Around Construction increases Warmth
  • Smooth-Curved Baffles Reduce Down Shifting. Nautilus Multi-Baffle Hood limits heat loss
  • Filled and Finished in Rohnert Park, California
  • Certified 800+ Fill Power Goose Down
  • Ultralight Pertex Quantum 20d 100% Nylon Ripstop DWR 1.03 oz/sqyd
  • EN Tested
  • Full Length Locking YKK Two Way Zipper with Zip-Guard Slider
  • Down Defender to Improve Water-Resistance in Wet Conditions
  • Nautilus Multi-Baffle Hood
  • Internal Stash Pocket
  • Snagless Insulated Draft Tube
  • Hood Draw Cord
  • Two Way Zipper Sliders
  • Zipper Garage
  • Stretch Tricot Baffles
  • Two Hang Loops
  • Stuff and Storage Sack Included

Package Contents:

  • Marmot Helium Sleeping Bag

Marmot Helium Sleeping Bag Orderable Models

List of Orderable Models

  • Marmot Helium Sleeping Bag, Arctic Navy/Dark Azure, Left Zipper, M14404-19621-LZ , MPN: M14404-19621LZ , UPC: 195115133740 , Code: MRT-SI-MAR0042-M14404-19621-LZ
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Last updated 2026-08-22 UTC.