Been looking for a pair of these for myself and my partner and they are currently on sale at Platypus Shoes, free shipping if you have a Shipster account.
Can also click and collect in store where available in case you wanted to try them on. All sizes currently available in all the below styles except one which I've noted below.
Men's
Black/Challenger Red
White/Black-Black
Black White
Gunsmoke/Metallic Silver
Anthracite/Anthracite University Red - $19.99 - Size 12 Only
Women's
Metallic Red Bronze/Mahogany Mink
Black/White
Particle Rose/Metallic Silver
Additional 7% discount with Cash Rewards.
Seems to be the standard price;
https://www.google.com/search?q=WOMENS+BENASSI