In term of bumper, that is the only one negative thing about flip. I think it’s better to have one, but I don’t think I will trade off the convenience and space for a bumper.
I am very happy about the quality. We travel a lot, and certainly fly a lot . Because of my husband’s work, I need to travel alone with our DS most of the time. I can’t fault its reliability, sturdiness, and convenience.
Cocoons are fitted on the pushchair seat, like a footmuff. It’s a simplified version of carry-cot. I can fold the whole pushchair single-handed with the footmuff in, so will expect cocoons are working just as well. Although I will still prefer a carry-cot.