Christian Chandlerwrote a review of Big Agnes Lost Ranger Sleeping Bag: 15F Down on September 18, 2015
Familiarity: I've used it once or twice and have initial impressions
I purchased the lost ranger along with a sea to summit silk liner, the thermarest base camp sleeping pad, and the thermarest luxury lite mesh cot. I tried the combination in the house overnight and it was very nice. I took it car camping in rainy cool weather.. It got down a little below freezing and all was well. With a pillow in the sleeve under the bag it works perfectly... This combination of bag pad and cot is amazing... I will never go back on the ground. This is the best sleeping bag I have ever owned.
I plan on going camping again in a couple of weeks. The evening should bring lows in the twenties and possibly teens. I will have a better idea then of how well it holds in the heat. I am a hot sleeper though...my desire to spend time outdoors has now been tapped again thanks to the comfort level I have achieved with this new combination... Whew!