Here's a great example of a kids boots being too stiff!
I saw that on the local news, totally viral video. My thoughts were..
A) Boots fitting pretty well.
B) Slow, backward twisting fall Good thing kids that age are made of rubber!
C) Somewhat staged. They took the goggles off because they wanted to get good video of it, probably saw the kid nodding off then removed the goggles and started filming.
Yep. Our daughter fell asleep with a McDonald's hamburger in her hand & a bite in her mouth... and fell out of her chair onto the floor.