"Helium EQ comfortable at -13 Degree" - Review of Marmot Helium EQ Sleeping Bag: 15 Degree Down

I participate at Canadian Ski Marathon week-end February 9, a 100 miles run on two day in the Outaouais region in Canada. I decide to use my Helium EQ and not my Col (-20). The temperature in the night down to -10 Degree. With a non-isolated bivouac and a jacket and light pant, I pass a good night in my new Helium EQ. I was very surprise of the result. Is a very good choice.
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