The Merino Sleep Sack is a piece of lightweight merino jersey fabric which acts as an inner sheet when in a sleeping bag. Use is alone in warmer weather..
This adds approximately 10 degrees warmth to an existing sleeping bag, or can be used alone during warm weather or when indoors.
The top half of the bag is open to make entry and exit super easy. The Merino Sleep Sack stays closed when zipped up inside a sleeping bag.
Weighs 22 ounces