A unique option for alpinists and ounce-counting backpackers, the Therm-a-Rest Navis 25/45 Degree sleeping bag delivers lightweight warmth. Save the weight and combine it with a hooded down jacket (not included) when temperatures drop.
Updated for 2014! Weighing just over a pound and featuring premium 875+ fill power goose down insulation, the high-performance Marmot Plasma 40 Degree down sleeping bag is ideal for warm weather backpacking.
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