Birkenstocks. A man repeller if I ever saw one. Yet this year and last they have been dubbed the It shoe of the season. While these shoes have recently become darlings of fashionistas’ closets the world over, they were not always such celebrated pieces in high fashion. Indeed, for most, they conjure up images of 70+ grandpas and unfashionable tourists trudging around in the heavy, orthopaedic-type shoes.