Item #: 332013647

Part of Marmot’s new ultralight composite bag series, the Ion’s body-mapped combo of synthetic insulation and 850-fill-power water-resistant down fuses warmth with function. Rated down to 20 degrees and designed with a curved baffle construction to reduce shifting down, this bag has loads of features designed to make your night comfy and cozy. Stuff and storage sack included.

NOTE: Find in Store Inventory levels are continuously changing. Please contact store to confirm availability is as shown.


  • Body Mapped- 850FP Down wraps around body, head, foot and super efficient Thermal R Micro on bottom
  • Fold-Down Second Zipper Provides added Ventilation, Easy Access. Anti-Snag Slider reduces Snagging
  • Anatomically Designed Footbox with Wrap-Around Construction increases Warmth
  • EN Tested
  • Full Length Locking YKK Two Way Zipper with Zip-Guard Slider
  • Smooth-Curved Baffle Construction Reduces Down Shifting
  • Nautilus Multi-Baffle Hood
  • Down Defender to Improve Water-Resistance in Wet Conditions
  • Down Defender to Improve Water-Resistance in Wet Conditions


  • 12d 100% Nylon Mini Ripstop .74 oz./yd. | 15d 100% Nylon Mini Ripstop .88 oz./yd.
  • 1lbs 12.5oz (825g)

Shipping Info:

  • Leaves the warehouse in 1-7 business days depending on order volume.
  • Items may be returned within 60 days of the order date to an Atmosphere retail store or an Atmosphere warehouse. Items must be returned unused/unworn and electronics unopened. See Online Return Policy and Return Instructions for more information.
  • Note: Shipping restrictions may apply based on location and product size.


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