Don't this has been posted yet. Here's an interview with the man himself from a while back.
I don't think it's mentioned in the clip, but in another article he's apparently done some stuff with Arcteryx too, and considers them the shit: “Arc’teryx products are the Hermès bags of men’s performance wear,” declared Errolson Hugh, the chief designer of ACRONYM, a sporadic Arc’teryx collaborator and one of the pioneers of the field. “They embody a fanatic level of perfection. No other brand in the world even comes close to their quality.”