The U.L Spiral Down Hugger Thermal Sleeping Bag Sheet by Mont-Bell. Mont-Bell's lightest sleeping bag option, this "climbers bag" functions very well as a part of an ultralight sleep system when the UL down garments are integrated or cached in your pack in case of an emergency bivouac.
So sorry, but only 4 items are allowed for comparison, so we're comparing the first 4. I blame the gnomes and so should you.
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