Cold-weather SLEEPING BAGS
Marmot Helium
$899 / 935g / Lower limit, -12°C
Features: This bag comes with 560g of high-quality 800-loft water-resistant goose down and carries the Responsible Down Standard certification. It has a tapered mummy shape with two zippers: a three-quarter length locking two-way zipper on the left-hand side and a quarter-length zipper on the right side. The main zipper has an anti-snag slider attached to prevent the zipper catching the bag. The hood has a single drawcord located on the outside of the bag. A 3D footbox allows feet to rest in a natural position. The bag is EN tested to -5.2°C (comfort), -12°C (lower limit), -31.3°C (extreme). 5/5
Fit: The mummy shape reduces dead air to make it a quick-warming bag, but it didn’t feel too restrictive on me. The bag widens slightly at the feet. 5/5
Comfort: The soft-touch fabric feels nice next to skin, though once it warms up if
