As far as I can see,the Cool Greys are gonna hit discount.The online shops here still have all the sizes available.But I'm from Europe so I might be wrong.
Nikeblog just published an article about the Wolf Grey Kyrie 1s stating:
"well,the men's Kyrie 1 Wolf Grey release day is set for May 9,and it seems that rumors of its bright-colored accents have been greatly exxagerated."
(Source:nikeblog)
So it seems like we have to settle with the plain...
The wolf grey colorway is a kids' exclusive.The men's version will be a bit more colorful with the hot lava in it probably.
I would link the source but im not allowed to it seems atm,a mod has to look over my post since im new,so sorry if my original post pops up later.
Source was somewhere on...
The shoe posted here seems to be a kids exclusive.A shoe in men's size should also launch the same day,but is said to be more colorful.
Source: http://www.nikeblog.com/2015/05/01/nike-kyrie-1-goes-stylishly-subdued-in-wolf-grey/
Probably then with the hot lava colorway.