Does anyone have Nike Flyknit trainers?

[FreeLitres]

Does anyone have any Flyknit 3 or 4 trainers?





Would the uppers squash completely flat against the soles without damage, or do they have rigid components in the heel to keep the shape?

I'm after some minimal trainers for travel when I'm taking hand luggage only. These Flyknits might be what I'm looking for.

Any experiences with them?