Originally Posted by PapaSmurf
Well, not sure about dimples and stuff?
I kind of went off thread topic with that one, but it just struck me that if heat is lost because of the flow of air around the sock, would we lose less heat if we disrupted that flow and created turbulence around it, perhaps by adding some hanging ribbons or Ben Hur-like spikes? Hehe.
My guess is the gain would be minimal, but I have no real idea.
Maybe someone on here is a thermal engineer and could weigh in. Until then, back to fabrics!