Marmot Lithium Sleeping Bag: 0 Degree Down

User Reviews

• Compresses small enough to fit into the sleeping bag compartment on most backpacking-bags.
• Very warm due to the high-loft down.
• Lightweight for a 0-degree bag.
• Durable and long-lasting.
• Comfortable hood to keep the heat in.
• Easy to unzip and get a leg outside if needed to regulate temperature.

Expert Reviews

• 800-fill down provides ample warmth.
• The down is water-resistant for extra protection and warmth in wet weather.
• The curved baffles limit the shifting and spread the heat out evenly.
• The contoured footbox provides more movement and comfort.
• The secondary zipper allows you to get in and out easier.
• The full-length zipper provides convenience and doesn’t catch during use.
• The two-way zipper features a draft tube to keep the cold air out.
• The down is DWR-treated to protect against light precipitation.
• The face closure is Velcro-free to prevent scratching.
• Great warmth-to-weight ratio for lightweight warmth.

User Reviews

• Some reports of poor quality control and faulty products.
• Doesn’t pack down extremely small, despite being small enough to fit in most sleeping-bag compartments.

Expert Reviews

• The fit might be a little big in some areas for smaller people.
• Can be challenging to stuff into sack since it has so much loft.