Al Fresco Dining - with blankets

This is getting a bit ridiculous: not being a cafe type, I was walking past one the other day and I saw a man sitting outside with a blanket over his legs. Is he sick? I wondered. Maybe he's recuperating from an illness and getting some fresh air. And then, when I looked inside the cafe I noticed a chair piled up with blankets. What are those for? I asked. My companion, Henrik, said, 'Weeell, when outdoor dining becomes popular in a place where the weather really isn't suited for it, you've got