Hey there,
Just came across these - perhaps good for saving 'til Summer?
Personally, I prefer the Tokyo Laundry ones from The Hut, rather than the Smith & Jone's ones from Zavvi.
The Hut's Tokyo Laundry: http://www.thehut.com/clothing/tokyo-laundry-men-s-kiholo-bo…
Zavvi's Smith & Jones: http://www.zavvi.com/elysium.search?search=smith+swim+flops
Cheers
nice find mate.