You don't sleep a wink wrapped in a space blanket cos it's just too noisy, you just lay there wishing you'd packed a plastic survival bag and hoping that it doesn't get totally shredded in the wind as you slowly freeze to the ground.
They are OK for that 15- minute period between finishing a marathon and getting your race bag from the admin area but anyone who relies on a mylar space blanket in an emergency situation has got to be odds-on favourite for a Darwin award?
They are OK for that 15- minute period between finishing a marathon and getting your race bag from the admin area but anyone who relies on a mylar space blanket in an emergency situation has got to be odds-on favourite for a Darwin award?