This model was from a few years ago. Looks like there are still a few pairs available but they probably won’t last long.
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You can also have a look for these shoes at: ebay.com
And here’s another color scheme, white/navy/silver. This is the one Nick Matthew wears:
And here’s one more with a red styling. Nick used to wear these as well.
Just found a yellow / silver / black version as well: