Gear Assessment: Marmot Ion 20 Sleeping Bag

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Marmot Ion 20 sleeping bag.

Marmot Ion 20 sleeping bag.

Sleeping Bag
Marmot Ion 20
$419, 1 lb. 13 oz. (common)
Sizes: common and extended ($439)
moosejaw.com

Heading into Washington’s North Cascades National Park for an 80-mile backpacking trip in the final week of September, I didn’t want to take a possibility on gear and clothes that may well not stand up to cold, wet climate, perhaps even sub-freezing nights and snow in that notoriously soggy mountain variety. The hybrid-insulation Ion 20 match the specs for that mission, thanks to its blend of higher-excellent down feathers and synthetic insulation and super warmth for such a lightweight bag.

I slept in it for 4 nights in the North Cascades, in largely dry climate with lows that in fact didn’t drop under about 40° F, and for 1 mid-October evening in the 40s in Good Smoky Mountains National Park, when I slept outdoors, below the stars, devoid of concern about dew settling on the bag. It was much more than warm adequate for these temps for a person who, like me, sleeps warm. I left it partly open each and every evening, discovering the utility of Marmot’s nine-inch-extended, “fold-down” second zipper, which lets you open each sides of the bag at your chest and shoulders for added ventilation, but also tends to make it less difficult to sit in the bag in a tent or in camp and hold each arms outdoors to use your hands for tasks. I consider the Ion 20 is correct to its EN comfort temp rating of 28° F (the EN decrease limit rating is 17° F and the intense rating is -15° F), but also that folks who sleep cold would locate its warmth fantastic for 3-season camping.

Marmot Ion 20 hood.

Marmot Ion 20 hood.

Marmot’s Composite Building achieves the added benefits of down (higher warmth-to-weight ratio) and synthetic insulation (retains warmth when wet) by combining 850+-fill goose down about the physique, head, and feet, with synthetic Thermal R Micro insulation on the bottom of the bag. Sporting practically 5 inches of loft, the Ion 20 appears warm. The hood’s intricate, multi-baffle design and style delivers a close and comfy match when sealed up tight, whilst the wrap-about building at the feet increases warmth at the ordinarily coldest finish of a bag. The curved-baffle building minimizes undesirable migration of down feathers.

Marmot Ion 20 foot box.

Marmot Ion 20 foot box.

With a 60-inch circumference at the shoulders, 58 inches at the hips, and 41 inches at the feet (in the common bag), I’d rank the roominess of the Ion in the middle of the pack of mummy bags: There’s adequate space to not really feel confining, and I could get dressed and undressed inside it but sleeping on my side, I had to fold my arms up fairly close to my torso. The practically complete-length primary zipper’s slider never ever snagged. The Pertex Quantum shell fabric is powerful for its low weight, permitting maximum insulation loft whilst not leaking feathers or becoming susceptible to zipper snags. The mixture of 12-denier and 15-denier nylon mini ripstop fabrics in the shell and lining also assists protect against zipper snags, but demands a small caution in handling the bag outdoors to keep away from tears. The Ion 20 stuff sack measures 16×7 inches, but I packed the bag into a slightly smaller sized, roll-top rated stuff sack, so it didn’t fill the bottom of a 55-liter backpack.

The Marmot Ion 20 delivers equally higher worth and overall performance: You will not locate lots of bags with this temperature rating that are below two pounds, or with this level of excellent of components and building at this price tag. It is a excellent option for any one who routinely heads out in cold, wet mountains, or a person who desires further warmth in a 3-season bag devoid of further weight or bulk.

Get IT NOW You can help my function on this weblog by clicking this hyperlink to buy a Marmot Ion 20 at moosejaw.com.

See all of my testimonials of sleeping bags that I like and all of my testimonials of backpacking gear, and my articles “Pro Recommendations: How to Select a Sleeping Bag” and “10 Pro Recommendations: Staying Warm in a Sleeping Bag.”

See also my stories:
“The Very simple Equation of Ultralight Backpacking: Much less Weight = A lot more Fun”
“Buying Gear? Study This First”
“Ask Me: How Do We Start Lightening Up Our Backpacking Gear?”
“10 Tricks For Generating Hiking and Backpacking Easier”
“My Major 10 Preferred Backpacking Trips”

NOTE: I tested gear for Backpacker Magazine for 20 years. At The Significant Outdoors, I assessment only what I contemplate the most effective outside gear and apparel. See categorized menus of all of my gear testimonials at The Significant Outdoors.

—Michael Lanza

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Do you like The Significant Outdoors? I’m Michael Lanza, the creator of The Significant Outdoors, recognized as a top rated outdoors weblog by a USA Currently Readers Decision poll and other people. Subscribe for updates about new stories and free of charge gear giveaways by getting into your e mail address in the box at the bottom of this story, at the top rated of the left sidebar, or on my About web page, and stick to my adventures on Facebook and Twitter.

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