I don't know if this any good for hiking, but might be a cheap option to keep in the car for emergencies etc... Weight 250g
To quote the sage Costanza " that thing has cachet up the yin yang". New TL uniform? Can we get one with a subscription?
I actually have something similar to this in my car. It's part of the first aid/car kit I have in there from mainland Europe. The jacket, a foil blanket and a very fetching pink and yellow hivis. I seem to remember that parts of the kit, hivis and spare bulbs were legal requirements in the EU