Big Agnes Crater Down Mummy Sleeping Bag Review

Big Agnes Crater Down Mummy Sleeping Bag Review
The Big Agnes Crater down mummy bag is built for the weather conditions you'll encounter in fall and early spring backpacking trips. The bag is rated to 15 degrees and filled with 600-fill goose down for maximum warmth and minimal weight. An integrated sleeve on the underside of the bag lets you insert a Big Agnes sleeping pad for maximum warmth and comfort. The bag weighs in at about 2 1/2 pounds, making it a good choice for extended backcountry trips where weight is a consideration.


Warmth and convenience are the big advantages of this bag. The down filling is comfortable in anything less than winter conditions, and the pad sleeve on the bottom lets you roll the entire bag up without carrying the pad separately. Setting up and breaking camp is faster and easier.



A down bag isn't cheap, especially when it's well-constructed. You won't find the Crater bag on the bargain shelf. In addition, the Big Agnes sleeping pad designed for use with the bag isn't the most comfortable. If you want a little more comfort, you might want to retrofit another pad or bring along an extra pad for your trip.

Bottom Line

If you want a serious bag for three-season conditions, you won't go wrong with the Big Agnes Crater bag. The construction, design and materials are all top-notch, and the bag will last for many seasons with proper care.


Article Written By Nichole Liandi

Based in Virginia, Nichole Liandi has been a freelance writer since 2005. Her articles have appeared on various print and online publications. Liandi has traveled extensively in Europe and East Asia and incorporates her experiences into her articles. She holds a Bachelor of Arts in history from West Virginia University.