www.boden.co.uk/en-gb/womens-new-in/clothing/wu073/womens-abigail-coatigan
My initial thoughts are it's silly. But I thought skinny jeans were stupid when they first came out however many years ago. And now most of my jeans are skinny. Also, sleeveless coats are silly, but they were/are a thing. and I have one stuffed somewhere 
It's just a long thick cardigan!!!