Most helpful critical review
7 of 10 people found the following review helpful
on April 5, 2014
It pains me to write this review as I am a big fan of Kelty. Great products at great price points. I am currently on my third Grand Mesa II tent. Additionally, I have the 4 person version of the Grand Mesa II. Over the years, I have learned to trust Kelty products. Of course, this excludes "Ridgeway by Kelty" products as they are not actually made by Kelty.
Perspective: I am retired and spend between 40-50 nights a year in a sleeping bag inside a Kelty tent.
My previous best bag was a 25 degree Coleman which I used for about 6 years. I am a warm sleeper and by wearing a base layer, dry Merino socks and a light skullcap, I was able to stay nice and warm in the Coleman bag down to about 15-20 degrees. This was as long as I was sleeping in a two person tent. Seems like, I lose a 10 degree advantage when I sleep alone in the 4 person tent.
The Coleman bag has gradually lost some of it's insulating capability over the years, so it was time to invest in a new bag. I was really attracted to the Kelty Cosmic 0 Degree Down bag because of it's outstanding reviews all over the Web.
However, my trips to high humidity areas (Alaska, Labrador, etc.) ruled out using a down bag because of their tendency to lose insulating capability when damp. I did look at the DriDown version but the price was too high for me. Ergo, the Kelty Cosmic 0 Degree synthetic seemed like just the right answer. NOT!!!
On 20 March, 2014, I went for a 5 day camping trip on the Dome Plateau in Utah. The first night, the temperature dropped to 31 degrees and I was cool all night long. This was with a base layer, wool socks and a skull cap with the bag cinched around my head. Never cold but always cool.
Now, I have been at this camping business for a long time and generally use the 20 degree rule. In other words, add 20 degrees to the rating on a bag and that is closer to its real rating. (I wish there was a standard rating system for synthetic bags like the EN 13527 ratings for down bags.) I believe I could be comfortable in this bag at 35-40 degrees....and this is with base layer, etc.
The other thing I should mention is the "regular" size is tight for me and I am only 5'7". The bag is advertised for up to 6' but you would have to sleep like a fetus.
The next day, I held the bag up to the sunlight and was surprised how much light showed through because of the thin amount of insulation. Who knows....maybe I got a "Monday" bag. I'm still a fan of Kelty products, just not this bag.