I was after new runners that are reportedly good for the knees and found this deal.
Very limited sizes, and only two colours available:
You can get extra 10% OFF on your first order if you subscribe to the newsletter. The code is generic: RWAUMAIL
*Thanks to @doweyy: you can use "SUNSUPER15" for 15% OFF (instead of 10%)
Similar deals and more options on theathletesfoots.com.au, where you can use cashback (but I had already started writing this deal):