I spend a lot of time outdoors, so over the years I have acquired a fair number of sleeping bags; I have quite a few that are no larger than that wool blanket and that are significantly warmer - my choice for first improvement.

However, for a quick advisory pitched at a predominantly urban population, it is a good effort.

Years ago, I lived and worked at Wupatki National Monument, 45 miles north of Flagstaff. My wife worked and commuted daily to Flagstaff. We learned pretty quickly to equip the vehicles and keep them equipped.We used the stuff more than once...