Maison Margiela models looked as if they’d be excellently prepared for an apocalypse, cheerfully putting their best, super-fortified techno-sneaker-shod feet forward, dressed in layerings of every type of protective device John Galliano’s imagination could dream up. Given the extreme blast of subzero weather Europe is currently enduring, the appeal of a duvet-sleeve, a vast padded cagoule to pop over a regular coat, and all of that damp-repelling polyurethane seem quite practical.