ordered a 0- incubator for my misses after i was so impressed with mine.just got back from a 4 day hike and want to thank Jenny and Adam at HG for making our trip so comfortable and toasty due to there awesome quilts !!! temps got down to -15c and had no problems keeping warm so thank you guys and if your planning to head out into the big freeze get yourself one your not going to regret it !!!