Plantronics BackBeat Fit 3100 True Wireless Sports Earbuds 98$ - seems to be cheapest in stores - free delivery or click& collect.
Also available in Amzaon for 97.95$ but sold by Harris Technology - https://www.amazon.com.au/Plantronics-BackBeat-Wireless-Spor…
really want the 3200's for the same fit and quality but sound blocking style fit. good find for these new though OP.