First time posting so let me know if there are any mistakes.. the cheapest I have seen these glasses online are $99 +
They look like discontinued styles possibly. $15 postage or free click and collect if you live near a Jim Kidds.
https://www.jimkiddsports.com.au/collections/clearance-outle…
https://www.jimkiddsports.com.au/collections/clearance-outle…
https://www.jimkiddsports.com.au/collections/clearance-outle…
https://www.jimkiddsports.com.au/collections/clearance-outle…
https://www.jimkiddsports.com.au/collections/clearance-outle…
https://www.jimkiddsports.com.au/collections/clearance-outle…
https://www.jimkiddsports.com.au/collections/clearance-outle…
https://www.jimkiddsports.com.au/collections/clearance-outle…
https://www.jimkiddsports.com.au/collections/clearance-outle…
https://www.jimkiddsports.com.au/collections/clearance-outle…
https://www.jimkiddsports.com.au/collections/clearance-outle…
Here's an another site with the Groove style for reference - $149 - Sold out
http://www.pointsurf.com.au/b/7560/1/odyssey-2020.html
Store locator suggests they only have branches in Perth.