Big Agnes - Summit Park 15 Down Sleeping Bag

Category: Sleeping Bags

I researched many bags before deciding on this one. I was concerned I would regret spending this amount of money on a sleeping bag but boy was I wrong. I've owned it for a few months and haven't been able to find any negatives about it. I saw a few other reviews about needing the correct pad to fit in the back of the bag. In my case I did not find that true. The pad I use is much smaller than the compartment and it has never found a way to slip out or not be comfortable.

If I were to give it a temperature rating I would put it at 40 degrees, it’s a very comfortable bag, light and compact for the size. However I was hoping for something warmer. I camped in the mountains and it only got down to about 25 degrees at night and I was way too cold.



Can I unzip it at the bottom? My feet always get hot and I like to stick them out.

​This bag has double zippers that go along the sides of the bag; this allows you to open up vents on the bottom sides for your feet to stick out.


What size BA pad fits the long-extra wide summit park bag

​A 78 x 25 inch sleeping pad is the best fit for this sleeping bag.


I just picked up my Big Agnes Summit Park 15 bag at REI. I noticed the tag says "Summit Navy Long" not "Long Extra-Wide. Did REI ship the wrong bag?

Big Agnes only makes one size of the Summit Park. On the legal tag at the foot area, item # should be BSPL16.


What is the actual minimal weight of this sleeping bag? Under Specs it states "Weight 4 lbs. 7 oz." and "Fill Weight 29 ounces" and I am wondering what the difference is between the two.

The total weight of all materials is 4 lbs. 7 oz. The fill weight shows how much down insulation is in the bag.

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