Looks like these are the original Asics Gel Domain shoes.
Note: This shoe was replaced by the Asics Gel Domain 2, as worn by Mohamed El Shorbagy.
Men
Spotted
I’ve seen these on Kylie Lindsay from New Zealand, who was wearing them at the Hong Kong Open.
Here’s Spanish #1 Borja Golan sporting these:
Image via SquashSite ∞
Here’s a yellow version:
Spotted
German #1 Simon Rosner:

Photo via Steve Cubbins →
Racket: Oliver Apex RS-7
Location: 2013 US Open (Men)
There’s also this red guy:
Spotted
Simon Rosner again:

Photo via squashuk.com →
Racket: Oliver Apex RS-7
Location: 2013 German Nationals
One more:
Women
Women’s version in white and red:
Spotted
Joelle King was wearing these at the British Open:
Not sure where to buy them yet, though.