[Joe 6-pack]

Well, it does seem the thin air at that altitude has an adverse effect on higher brain functions...

[Aria]

There’s a photo of her falling down in these ridiculous things.

[Daffynition]

At higher altitudes and thinner air...I recommend/prefer Vasques. My old leather Vasques...hard to part company with, when you've gone through so much together.:) ;)