General Discussion
In reply to the discussion: Car winter emergency kit [View all]braddy
(3,585 posts)your feet to keep it from freezing, and if there is snow you better think about what condition your feet will be in after you get out of the car to shovel, repair, or use the bathroom, they and your shoes and the bottom of your cotton jeans will be soaking.
A hand warmer or two thrown inside of your cheap, car sleeping bag and a fleece blanket inside of it with you, can get you through a 5 degree night.
Sleeping warmth is number one to get through a night that can kill you and if you have to walk in those temperatures, know that your tennis shoes and one pair of socks won't do in snow.
If you break down or slide off the road at night, it would be nice to be able to drink some water, get comfy, and go to sleep, you can fix the problems in the morning when people are up, it is daylight, and you are rested.