Marmot Ion Hybrid Down/Synthetic Sleeping Bag

-8°C Comfort Limit (EN13537:2012), 390g of 850+ Fill Power Down (US Method)
Weighs 838g (Regular size)
Code: SS16566V
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The Marmot Quark Sleeping Bag is made from a combination of Hybrid down and synthetic insulation. A great choice for Autumn and Winter use. 

Marmot says:

Part of our 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.

Marmot's Ion sleeping bag features down insulation on the top and synthetic insulation on the base, giving you the best of both worlds! Synthetic insulation is far more resistant to compression than down, so you need less of it to keep you warm from the ground. Meanwhile down offers excellent warmth to weight ratio, making it ideal for the top of the sleeping bag where it can expand to trap plenty of warm air to provide insulation. The fact that down is very compressible helps to reduce the packed size of the bag when stuffed into a rucksack.

Marmot also make the Quark Hybrid Down/Synthetic Sleeping Bag which is basically the same bag but with a lighter coloured base and a lower comfort limit of -2°C.

- Reviewed by Ultralight Outdoor Gear


Help and advice:Choosing a sleeping bag adviceEN 13537 rating for sleeping bags explainedAll about down filling in sleeping bags
Sleeping bag shape and sizes adviceSleeping Bag features Page 1Sleepin bag features page 2
  • 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
  • Insulated Draft Tube
  • Hood Draw Cord
  • Zipper Garage
  • Stretch Tricot Baffles
  • Two Hang Loops
  • Stuff Sack and Storage Sack Included
  • Regular weighs: 838g
  • Long weighs: 904g
  • Main Materials: 12d 100% Nylon Mini Ripstop .74 oz/yd, 15d 100% Nylon Mini Ripstop .88 oz/yd
  • Lining Material: 12d 100% Nylon Mini Ripstop .74 oz/yd
  • Insulation Material: 850+ Fill Power Goose Down
  • Fill Weight: 390g
  • Bag Loft: 12cm
  • EN Rating: Comfort: 28.4°F / -2.0°C | Lower Comfort Limit: 17.2°F / -8.2°C | Extreme: -15.3°F / -26.3°C
  • Interior Length: 203cm
  • Bag Dimensions (Shoulder x Hip x Foot): Regular: 152.4cm x 147.3cm x 104.1c, Long: 157.5cm x 152.4cm x 109.2cm
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