probably 90% of the people they were targeting were as puzzled as you.
H&M x Margiela Collaboration - Page 5
Really nice article, shows the downside of collabs such at this and I thoughted about this. I think everyone should decide for their self, if it`s ok. Without a regarding on that article, I see myself, liking most of the stuff less and lesser, as more often I looking over it. So probally one of the blazers is the only item, I will buy.
So...English is clearly not your first language.
Some eBay auctions say (assume?) "leather" as the material, but others:
And a tFS user wrote: