HEATNEST Lightweight Safety & Warmth Emergency Thermal Blanket (5 Pieces)Stay warm and in control when it matters most, because this tiny blanket traps your body heat instantly when the cold hits. I do a lot of driving out in Mayo and the roads can be brutal in winter. I always had coats in the boot but nothing that actually felt like proper protection. I got the HEATNEST just to have something small in case but I tested it one evening waiting on my son at training and I couldnt believe the heat off it. It folds up into