Grahame I think you are forgetting he would have his wet suit on under his clothes 
It was pretty cool that night,,and when you've just got up you feel cold,,and I too would have dressed for the " North Pole " ,,,but I couldn't pedal a bike with that lot on. I've never heard anything so ridiculous.
Some people will believe anything,,,especially when they're puppets having their strings pulled. Bless.