Great design, but my child hated it.
We used this a few times, and I loved how it zips onto the existing hood, and hooks over the footwell (or the handlebar if bub is facing you). It works well. I think it's a great design. The biggest con for us is that my son hates being covered. On the rare occasions he actually falls asleep in the pram, it's great to have the cover to protect him. I just can't use it while he's awake, unless I want him to scream the whole time.