This seems to be a decent replacement watch band for your Apple Watch for $20 ($10 if you sign up for the JB Hifi perks)
I've tried a few from fleabay, and the silicone rubber goes weird after a bit of use (and similar price post perks).
The main link is for the UAG Scout Strap for Apple Watch [42-44mm] (Mallard),
In store, the RRP sticker says $49.95 - it's not marked, but it will scan for $20 at the cash register.
There is also 38-40mm in Eggplant and Silver available (plenty at Chatswood Westfield this morning)
https://www.jbhifi.com.au/products/uag-scout-strap-for-apple…
https://www.jbhifi.com.au/products/uag-scout-strap-for-apple…
Other Apple Watch bands on sale at JB also
https://www.jbhifi.com.au/search?query=apple%20watch%20bands…
Combine with the JB perks offer to only pay $10
Seems to be plenty of stock around.
I walked in this morning and bought one off the shelf.
YMMV
Cheers. Grabbed one for me and my son.