Marmot Sawtooth

This bag is ISO-tested to keep the average user comfortable in temperatures down to 15°F. It is designed for cold-weather camping, but keep in mind that personal warmth varies based on your sleeping pad, clothing layers, and metabolism.

Down is naturally insulating but loses its loft when wet. The Down Defender treatment adds a water-resistant coating to the feathers, helping them stay dry and retain their loft longer if you encounter condensation or humid weather.

Yes, the footbox features a zipper that allows you to open it up completely. This is a great feature if you prefer to stick your feet out when it gets too warm or if you simply want more space to move around while sleeping.

The extended zipper flaps act like a blanket when the bag is unzipped. They provide extra coverage and warmth around your torso, making the bag feel less restrictive and more like a traditional comforter on milder nights.

The 650-fill-power down is chosen for its balance of warmth and compressibility. While it is durable and warm enough for cold nights, it remains lightweight and packs down well, making it a solid choice for multi-day backpacking trips where weight matters.

Yes, it includes both a stuff sack for transporting the bag on the trail and a larger storage sack for keeping it at home. Using the storage sack is recommended to maintain the down's loft over time.