How do Australians warm up?

They say a picture is worth a thousand words. This one deserves a post all on its own and very little commentary is needed.

Kieran doesn't see much need for excess clothing and for almost the entire trip, he's been in shorts and T shirts, even when the temperatures have been in the low single digits and everyone else is in layers of polar fleeces, but thongs on the ergo? It doesn't get much more Australian than that!