Apparently, that's not only what's in store. Apart from clothing, there's jewelry, hats, sunglasses, handbags, footwear and even lipstick.
Here's a timeline, Lanvin x H&M watchers:
November 2: H&M will poss a short film of the collection on its website.
November 18: Fashion show at The Pierre Hotel in New York, including customized pieces that will be auctioned off to benefit UNICEF
November 23: It's a LAUNCH date!