The Marmot Quark Sleeping Bag is made from a combination of Hybrid down and synthetic insulation. A great choice for Autumn and Winter use.
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
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