The Asics Gel Blast 5. As you can tell by the digits, this is a popular and long-running line of shoes, preceded by – SPOILER ALERT! – the Asics Gel Blast 4.
Update: this shoe was succeeded by the Asics Gel Blast 6, which was heavily redesigned.
Men
Here’s the blue and white guy:

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Kristian Frost Olesen was wearing these at the 2013 World Championships:
Photo by Steve Cubbins
Cameron Pilley at the 2016 British Open:

Photo via Steve Cubbins →
Here’s a photo by my friend Chris Smith:

Chris says these are “well protected where squash players drag their feet” and “supportive but light weight”.
And here’s a pair I saw the other day:

There’s also this yellow guy, which I dub the bumblebee. Sting.

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Search:Spotted
Abouelghar:

Photo via Steve Cubbins →
Racket: Prince Pro Rebel 950
Location: 2015 British Open
WHOA – check out this crazy color scheme in green, orange and navy:

Image via controlthet.com
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I think Cameron Pilley busted these out at the 2015 World Championships:

Photo via Steve Cubbins →
Women

Image via controlthet.com
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Search:Here’s a purple joint:

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